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DAILY CURRENT AFFAIRS, 31 JULY 2026

CAUVERY WATER DISPUTE

 
 
 
 
1. Context
 
Even as he awaits a response from Karnataka Chief Minister D K Shivakumar for a proposed meeting on the immediate release of Cauvery water, Tamil Nadu Chief Minister C Joseph Vijay has drawn a firm constitutional line on another, much larger question: the proposed Mekedatu dam.
 
2. About Cauvery dispute
  • The Cauvery water dispute, which has been a bone of contention between Karnataka and Tamil Nadu for decades now
  • The Cauvery water dispute has influenced the politics of the region for long with parties stirring the emotions of people as the river has a deep cultural, economic and religious significance for them
  • The Cauvery basin covers a large expanse of land including major chunks in Karnataka and Tamil Nadu and also smaller areas in Kerala and Puducherry
  • Initially, the dispute was between Karnataka and TN but later Kerala and Puducherry also entered the fray
  • The issue dates back to 1892 when an agreement was filed between Madras Presidency and Mysore for arbitration but led to a fresh set of disputes
  • Later, attempts were renewed to arbitrate between the two states under supervision of the Government of India and a second agreement was signed in 1924
 
3. Post-Independence efforts
  • As Kerala and Puducherry also laid claim on share of Cauvery water after India attained Independence, a Fact Finding Committee was set-up in 1970 to figure out the situation on ground
  • The committee submitted its report in 1972 and further studies were done by expert committee and the states reached at an agreement in 1976
  • However, after a new government came to power in Tamil Nadu, it refused to give a consent to terms of agreement paving way for further dispute
  • Later in 1986, Tamil Nadu government appealed the Central government to constitute a tribunal for solving the issue under Inter-State Water Disputes Act, 1956
  • However, the tribunal was not set-up until Supreme Court took cognizance of the matter and ordered the Central government to do so in 1990. The Cauvery Waters Tribunal was constituted on June, 2, 1990
  • After 16 years of hearing and an interim order, the Tribunal announced its final order in 2007 allocating 419 tmc ft water to Tamil Nadu and 270 tmc ft to Karnataka
  • Kerala was given 30 tmc ft and Puducherry got 7 tmc ft. The Tribunal had come to a conclusion that total availability of water in Cauvery basin stood at 740 tmc ft
  •  However, both Tamil Nadu and Karnataka filed a review petition before the Tribunal
  • In 2012, Prime Minister Manmohan Singh, as chairman of Cauvery River Authority, directed the Karnataka government to release 9,000 cusecs of water daily
4.About Cauvery river
  • The Cauvery River, also spelled as Kaveri, is one of the major rivers in South India. It originates from the Western Ghats in Karnataka and flows through the states of Karnataka and Tamil Nadu before emptying into the Bay of Bengal.
  • The river and its tributaries have significant cultural, historical, and ecological importance.
  • The Cauvery River originates at Talakaveri in the Brahmagiri hills of the Western Ghats in Karnataka.
  • It flows eastward through Karnataka and Tamil Nadu before eventually emptying into the Bay of Bengal.
  • The river traverses a distance of approximately 765 kilometers
 
 Here are some details about the Cauvery River and its important tributaries:
Hemavati River: One of the main tributaries of the Cauvery, the Hemavati River originates in the Chikmagalur district of Karnataka and joins the Cauvery near Krishnarajasagar Dam.
Arkavati River: Rising from the Nandi Hills in Karnataka, the Arkavati River is another important tributary that meets the Cauvery near Kanakapura.
Kabini River: The Kabini River, also known as Kapila, originates in the Wayanad district of Kerala and flows through Karnataka. It joins the Cauvery near Tirumakudal Narasipura.
Shimsha River: This tributary flows through the state of Karnataka and joins the Cauvery near Shivanasamudra, which is known for its picturesque waterfalls.
Bhavani River: Originating in the Nilgiri Hills of Tamil Nadu, the Bhavani River flows through Kerala and Tamil Nadu before merging with the Cauvery near Kodumudi
 
The Cauvery River is a vital source of water for irrigation, drinking, and industrial use. It is also an important source of hydroelectric power. The Cauvery River is a major economic and cultural resource for the people of South India
Map showing the Kaveri River and its tributaries, south India.... |  Download Scientific Diagram
 
Image Source: Research Gate
 
5. Cauvery Water Management Authority (CWMA)
  • The Cauvery Water Management Authority (CWMA) is a statutory body constituted by the Government of India under the Inter-State River Water Disputes Act, 1956.
  • The CWMA is responsible for the implementation of the Cauvery Water Disputes Tribunal (CWDT) Award, as modified by the Supreme Court of India
  • The CWMA has its headquarters in New Delhi. It has a governing council, which is headed by the Union Minister for Water Resources. The governing council also has representatives from the states of Karnataka, Tamil Nadu, Kerala, and Puducherry.
  • The CWMA is a critical institution for the management of the Cauvery River basin. It is responsible for ensuring that the river's water is shared in a fair and equitable way, and that the river is managed in a sustainable manner.
 
 
For Prelims: Cauvery river, Tributaries, CWMA
 
For Mains: 1.The Cauvery River water dispute between Karnataka and Tamil Nadu has been a recurring issue. Discuss the historical background, key points of contention, and the legal and political measures taken to address this interstate water dispute
 
2.The Cauvery basin has played a significant role in the agricultural economies of Karnataka and Tamil Nadu. Examine the challenges and opportunities associated with the irrigation practices and water management strategies in the region
 
 
Previous Year Questions
1.Which of the following Protected Areas are located in Cauvery basin? (UPSC GS1, 2020)
1. Nagarhole National Park
2. Papikonda National Park
3. Sathyamangalam Tiger Reserve
4. Wayanad Wildlife Sanctuary
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 3 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
Answer (c)
 
 
Source: indianexpress
 
 

CLOUDBURST

 
 

1. Context

When a wall of water suddenly crashes from the sky and sweeps away homes and roads within minutes, one of the first words officials and the media in India reach for is ‘cloudburst’. However, the term is often misused in a way that can distract from poor planning and crumbling infrastructure

2. Cloudburst

  • A cloudburst is a sudden and intense weather phenomenon characterized by a heavy and rapid release of precipitation from a cloud.
  • This concentrated burst of rainfall can lead to flash floods, landslides, and other forms of water-related disasters in a very short period of time.
  • Cloudbursts typically occur in areas with high humidity and convective activity, such as mountainous regions, coastal areas, and places prone to thunderstorms.
  • According to the India Meteorological Department (IMD), a cloudburst is defined as an extreme weather event in which 10 cm or more of rainfall is recorded within one hour over a localized area of about 20–30 square kilometres.
  • To understand its intensity, consider that Indore receives an average annual rainfall of about 1,062 mm. During a cloudburst, nearly one-tenth of this yearly rainfall can fall within just an hour.
  • Although heavy rainfall is a regular occurrence during the southwest monsoon, cloudbursts are exceptionally rare because of the enormous volume of rain concentrated over a very small area in a short period. The sudden downpour overwhelms the land's ability to absorb water, resulting in rapid surface runoff, flash floods, and severe damage.
  • In addition, some researchers have proposed introducing the term "mini-cloudburst" to describe events where 5 cm of rainfall occurs within an hour over a similar-sized area.
  • Even though the rainfall is lower than the official cloudburst threshold, such events can still trigger destructive flooding and landslides, particularly in regions with steep or vulnerable terrain

3. How do Cloud bursts Occur?

Cloudbursts typically occur in regions with convective activity, such as areas prone to thunderstorms, mountainous terrain, and coastal regions. They are often associated with towering cumulonimbus clouds, which are large and vertically developed clouds capable of generating intense rainfall and thunderstorms. Here's how a cloudburst happens:

  • Formation of Cumulonimbus Clouds: Cloudbursts are most commonly associated with cumulonimbus clouds, which are towering clouds formed through the process of convection. Warm air near the Earth's surface rises, cools, and condenses into water droplets as it encounters cooler air at higher altitudes. This process leads to the formation of these large, vertically oriented clouds.
  • Updrafts and Water Vapor: Inside a cumulonimbus cloud, strong updrafts of air carry water vapor from lower altitudes to higher altitudes within the cloud. As the air rises, it cools and the water vapor condenses into tiny water droplets or ice crystals.
  • Collision and Coalescence: Within the cloud, water droplets and ice crystals collide and combine, forming larger droplets. As these droplets continue to collide and grow in size, they become too heavy for the updrafts to support, causing them to fall.
  • Downdrafts: The larger water droplets and ice crystals begin to descend as downdrafts within the cloud. As they fall through the cloud, they can pick up additional moisture, further increasing their size.
  • Precipitation Release: Eventually, the water droplets and ice crystals become large enough that the force of gravity overcomes the upward force of the updrafts, and they start to fall rapidly toward the Earth's surface. This is the point at which the cloudburst occurs. The droplets fall in large quantities over a relatively small area, resulting in intense rainfall within a short timeframe.
  • Impact and Consequences: The rapid and concentrated release of precipitation from the cloudburst can overwhelm drainage systems, lead to flash floods, and trigger landslides, especially in areas with steep terrain. The intensity of the rainfall can result in immediate and severe flooding, causing damage to property, and infrastructure, and posing risks to human safety.

4. Causes of Cloud Bursts

  • Atmospheric Instability: Cloud bursts often occur in regions with convective instability in the atmosphere. Convective instability refers to the situation where warm and moist air near the Earth's surface rises rapidly due to its lower density compared to the surrounding cooler air. This vertical motion can lead to the formation of towering cumulonimbus clouds that are capable of generating intense rainfall.
  • Moisture Availability: The presence of abundant moisture in the atmosphere is essential for the formation of cloud bursts. When warm, moisture-laden air rises and condenses at higher altitudes, it releases latent heat, which further fuels the upward motion of air. This process can lead to the development of strong updrafts within clouds and the rapid accumulation of water droplets.
  • Orographic Effects: Cloudbursts are often common in mountainous regions due to orographic lifting. When moist air is forced to rise over a mountain range, it cools and condenses, leading to the formation of clouds and potentially intense rainfall. The combination of orographic lifting and convective instability can enhance the likelihood of cloud bursts in these areas.
  • Frontal Boundaries: Cloudbursts can also occur along frontal boundaries, where two air masses of differing temperatures and moisture content meet. The convergence of these air masses can create strong vertical motion and promote the development of thunderstorms and heavy rainfall.
  • Cumulonimbus Clouds: Cloud bursts are often associated with cumulonimbus clouds, which are large and vertically developed clouds capable of generating intense weather. These clouds are formed through the process of convection, where warm air rises, cools, and condenses into cloud droplets. The presence of cumulonimbus clouds increases the likelihood of intense rainfall and thunderstorm activity.

5. Consequences of Cloud Bursts

The consequences of a cloud burst, which is a sudden and intense release of precipitation from a cloud, can be significant and often lead to a range of water-related hazards and disruptions. Here are some of the key consequences of a cloud burst:
  • Flash Floods: One of the most immediate and dangerous consequences of a cloud burst is the occurrence of flash floods. The intense and concentrated rainfall from the cloud burst can overwhelm drainage systems, rivers, and streams, leading to rapid and widespread flooding. Flash floods can occur within minutes of the onset of heavy rainfall and pose a serious threat to lives, property, and infrastructure.
  • Landslides and Mudslides: In hilly or mountainous regions, a cloud burst can saturate the soil, making it more susceptible to landslides and mudslides. The additional water weight, coupled with the steep terrain, can trigger the sudden movement of soil and rock, leading to dangerous landslides that can bury homes, roads, and communities.
  • Property Damage: The rapid and intense nature of a cloud burst's rainfall can result in significant damage to homes, buildings, and infrastructure. Floodwaters can enter structures, causing structural damage, waterlogging, and destruction of personal belongings. Infrastructure such as roads, bridges, and utility systems can also be severely affected.
  • Disruption of Services: Cloud bursts can disrupt essential services, including transportation, communication, and utilities. Flooded roads and bridges can make travel difficult or impossible, hampering emergency response and evacuation efforts. Power outages can occur if the electrical infrastructure is damaged by flooding or landslides.
  • Health and Safety Risks: The flooding and contamination of water sources during a cloud burst can pose health risks to the affected population. Contaminated water can lead to the spread of waterborne diseases, and individuals may be at risk of injuries, drowning, or exposure to hazardous materials in floodwaters.

6. Mitigating Measures for Cloud Bursts

Mitigating the impacts of cloud bursts requires a combination of proactive planning, infrastructure improvements, and community preparedness. Here are some key measures that can be taken to mitigate the effects of cloud bursts:
  • Early Warning Systems: Implement effective early warning systems that can provide timely alerts about impending cloud bursts and heavy rainfall. These systems should be capable of reaching a wide audience through various communication channels, including mobile phones, sirens, and local media.
  • Floodplain Zoning and Land Use Planning: Designate floodplain areas where development is restricted or regulated. Proper land use planning can help prevent construction in high-risk flood areas, reducing potential damage to property and infrastructure.
  • Improved Drainage Infrastructure: Enhance drainage systems in urban and rural areas to handle sudden and intense rainfall. Well-designed drainage systems can help prevent water accumulation on roads and prevent flash floods.
  • Erosion Control Measures: Implement erosion control measures, such as building retaining walls, stabilizing slopes, and using vegetation to prevent soil erosion in hilly and mountainous regions.
  • Reservoirs and Dams: Construct reservoirs and dams to store excess water during heavy rainfall and release it gradually to prevent downstream flooding. Proper maintenance of these structures is essential to ensure their effectiveness.
  • Green Infrastructure: Incorporate green infrastructure solutions such as permeable pavements, rain gardens, and rooftop gardens in urban planning. These measures can help absorb and manage excess rainwater, reducing the risk of flooding.

7. Conclusion

A cloudburst is a result of the complex interplay between atmospheric conditions, convective processes, and the physical properties of water droplets and ice crystals within a cloud. These intense weather events can have significant impacts on the affected areas and highlight the importance of preparedness, early warning systems, and proper urban planning to mitigate their effects.
 
For Prelims: Cloudbursts, flash floods, landslides, Cumulonimbus Clouds, Water Vapour, Floodplain Zoning, Green Infrastructure.
For Mains: 1. What is a cloudburst, and how does it differ from regular rainfall? Explain the causes and meteorological factors that contribute to the occurrence of a cloudburst.
 
 

Previous year Questions

1. Which of the following statements with regard to Cloudburst is/are correct? (UPSC CDS 2017)
1. It is defined as sudden localized very heavy downpour with cloud thunder and lightning.
2. It mostly occurs in the hilly areas.
3. It results in a very high intensity of rainfall, i.e., 250 mm-300 mm in a couple of hours.
4. It occurs only during the daytime.
Select the correct answer using the code given below. 
A. 1, 2 and 3
B. 1, 3 and 4
C. 2 and 3 only
D. 2 only
Answer: A
 Source: The Indian Express
 
 

STRAIT OF HORMUZ

 
 
1. Context
 
The theatre of the West Asia conflict, earlier limited to the Strait of Hormuz from the perspective of India’s crude oil imports, has now widened. Last week, the Yemen-based Houthi militia announced that it will target Saudi Arabian tankers attempting to cross the Bab al-Mandab, and indeed attacked a few ships.
 
2. What is the Strait of Hormuz?
 
  • The Strait of Hormuz is a strategically significant and narrow maritime passage situated between Iran and Oman, serving as a link between the Persian Gulf, the Gulf of Oman, and the Arabian Sea. The U.S. Energy Information Administration (EIA) has labeled it as the world’s most vital oil transit chokepoint, through which nearly 20% of global liquid petroleum fuels and a substantial portion of LNG trade pass. In May, more than 45% of India’s crude oil imports were estimated to have transited through this strait. Given that India is the third-largest consumer of crude oil globally and imports over 85% of its oil needs, the strait plays a crucial role in its energy security.

  • Data from the commodity analytics firm Kpler indicates that, as of June, India has been importing over 2.2 million barrels per day (bpd) of crude oil from Russia, which constitutes more than 41% of its total oil imports.

  • While oil imports from the U.S. have shown a steady rise, supplies from West Asian nations such as Iraq, Saudi Arabia, the UAE, and Kuwait have remained relatively consistent. Many of these shipments were likely planned prior to the recent escalation in tensions between Israel and Iran, and therefore, may not reflect the impact of the current geopolitical developments.

  • Over the past two to three years, India has notably adjusted its oil import strategy. Russia has emerged as India’s top crude supplier, overtaking traditional exporters from West Asia. Importantly, Russian oil bypasses the Strait of Hormuz, as it is mainly transported via alternative sea routes like the Suez Canal and Red Sea, and sometimes through the Cape of Good Hope or Pacific Ocean routes.

3.Why is Strait of Hormuz Critical?
 
  • The Strait of Hormuz is commonly considered the most critical maritime chokepoint in the world. It links the Persian Gulf with the Gulf of Oman and the Indian Ocean, serving as a major export corridor for regional oil producers.
  • At its narrowest point, it measures only about 21 nautical miles (38 km) across. Under typical conditions, nearly 21 million barrels of oil—around one-fifth of global consumption—flow through it daily.
  • Alongside crude oil, substantial quantities of liquefied natural gas from Qatar and the UAE are transported via this passage.
  • A significant share, close to 80%, is destined for Asian markets, making countries like India, China, Japan, and South Korea heavily reliant on this route.
 
4. Other Major Global Chokepoints
 
  • Apart from Hormuz, international trade depends on a few other strategically vital maritime passages, including the Strait of Malacca, Bab el-Mandeb Strait, Suez Canal, and Panama Canal.
  • The Strait of Malacca lies between the Malay Peninsula and Indonesia’s Sumatra island and represents the shortest maritime route connecting the Indian Ocean with the South China Sea. This makes it indispensable for trade flows linking West Asia, Africa, and East Asia.
  • The Bab el-Mandeb Strait is positioned between the Arabian Peninsula and the Horn of Africa.
  • It serves as the southern entrance to the Red Sea, a necessary transit point for vessels heading toward the Suez Canal and onward to the Mediterranean, thereby forming a crucial segment of Asia–Europe trade routes.
  • The Suez Canal, a man-made channel across Egypt, connects the Red Sea to the Mediterranean Sea, significantly reducing travel time by eliminating the need to circumnavigate Africa.
  • Further west, the Panama Canal cuts through the Isthmus of Panama, linking the Atlantic and Pacific Oceans. This strategic shortcut facilitates trade between Asia, the Americas, and Europe, removing the necessity of sailing around South America
 
5. Why is the Strait of Hormuz strategically important for India?
 
  • India’s current oil procurement approach already demonstrates a diversified and risk-mitigated strategy, especially in light of uncertainties in West Asian oil routes, with Russian crude now making up the largest share of India’s import basket.

  • After recent U.S. air strikes targeting Iranian nuclear sites, Iran’s parliament passed a resolution on Sunday advocating the closure of the Strait of Hormuz, a vital corridor for global oil transportation. The final decision on this move now lies with Iran’s Supreme National Security Council.

  • Although Iran has repeatedly issued threats in the past to shut the strait, it has never acted on them. Even in the present context, industry analysts consider the likelihood of an actual blockade to be low. Nevertheless, the increased risk perception surrounding the potential closure is expected to trigger global alarm, including in India, by raising concerns over the security of oil and gas supplies and potentially driving up global energy prices.

 
6. How does the Israel-Iran conflict pose a threat to global oil and gas flows?
 
 
  • The Israel-Iran conflict poses a significant threat to global oil and gas flows due to the geopolitical sensitivity and strategic location of the region. At the heart of this issue lies the Strait of Hormuz—a narrow but crucial maritime passage through which nearly 20% of the world’s petroleum and a substantial share of liquefied natural gas (LNG) are transported.
  • Iran borders this strait and has, over the years, repeatedly threatened to block it during periods of heightened tension, including in response to military actions or sanctions.
  • When hostilities between Israel and Iran escalate—such as through air strikes, proxy conflicts, or cyber warfare—it increases the likelihood of retaliation from Iran that could involve disrupting maritime traffic in the Strait of Hormuz.
  • Even if Iran does not fully close the strait, the mere threat or perception of such an action is enough to cause volatility in global energy markets. Tanker insurance rates rise, shipping routes are reconsidered, and countries heavily dependent on oil imports, like India, become increasingly vulnerable to supply disruptions and price shocks.
  • Furthermore, any military conflict in this region risks damaging key infrastructure such as refineries, pipelines, or export terminals in the broader West Asian region.
  • This would constrain oil production and distribution, affecting both the availability and price of crude oil and gas worldwide. Global markets respond quickly to these risks, often resulting in immediate spikes in prices due to concerns over supply security.
  • In summary, the Israel-Iran conflict amplifies the risk to global oil and gas flows by potentially destabilizing a region that is central to global energy supply chains. It heightens fears of supply disruptions, increases market speculation, and threatens the economic stability of energy-importing countries, making it a matter of both geopolitical and economic concern
7. Way Forward
 

The flow of vessels through major international chokepoints is largely regulated by the United Nations Convention on the Law of the Sea. According to its provisions, straits that are used for global navigation fall under the concept of “transit passage,” which permits ships and aircraft from all countries to move through them freely, continuously, and without interference.

At the same time, coastal states bordering these straits are allowed to introduce regulations related to safety or environmental protection. However, they are not permitted to block passage or apply discriminatory restrictions on specific vessels. While this freedom of navigation is widely accepted in international law, its practical implementation often depends on the naval capabilities of states and the level of cooperation among them

 
 
For Prelims: Strait of Hormuz,  Persian Gulf, Energy Information Administration (EIA), liquefied natural gas (LNG)
 
For Mains: General Studies II: Effect of policies and politics of developed and developing countries on India’s interests.
 
Previous Year Questions
 

1.Which one of the following straits is nearest to the International Date Line? (UPSC CSE 2008)

(a) Malacca Strait

(b) Bering Strait

(c) Strait of Florida

(d) Strait of Gibraltar

Answer (b)

The International Date Line (IDL) roughly follows the 180° longitude, which lies in the Pacific Ocean, deviating slightly to accommodate international boundaries.

The Bering Strait lies between Russia and Alaska, and it is very close to the 180° meridian, making it the closest strait to the International Date Line.

Here's why the other options are incorrect:

  • Malacca Strait – Lies between Malaysia and Indonesia, far west of the IDL.

  • Strait of Florida – Lies between the U.S. (Florida) and Cuba, in the Atlantic Ocean.

  • Strait of Gibraltar – Connects the Atlantic Ocean to the Mediterranean Sea, between Spain and Morocco, far from the IDL.

Source: Indianexpress
 
 

EARTHQUAKE

 

1. Context

A preliminary magnitude 7.1 earthquake struck off Japan’s southern main island of Kyushu on Tuesday afternoon, with its epicentre located 10 km beneath the seabed, according to the Japan Meteorological Agency (JMA).

2. What is an Earthquake?

 
  • An earthquake is an intense shaking of the ground caused by movement under the earth’s surface. It happens when two blocks of the earth suddenly slip past one another, according to USGS.
  • This releases stored-up ‘elastic strain’ energy in the form of seismic waves, which spreads through the earth and cause the shaking of the ground.
  • An earthquake is the sudden shaking or trembling of the earth’s surface caused by the release of energy stored in the earth’s crust.
  • This energy is usually released when rocks deep underground break or slip along faults due to accumulated stress, sending out seismic waves that make the ground vibrate
  • The earth’s crust is made of huge slabs of rock called tectonic plates, which are constantly moving slowly.

  • When these plates grind against, collide, or move past each other, stress builds up at their boundaries or within faults.

  • Once the stress exceeds the strength of rocks, they break suddenly, releasing energy in the form of seismic waves.

 

3. How do exactly Earthquakes Occur?

  • As we know, the earth’s outermost surface, crust, is fragmented into tectonic plates. The edges of the plates are called plate boundaries, which are made up of faults.
    The tectonic plates constantly move at a slow pace, sliding past one another and bumping into each other.
  • As the edges of the plates are quite rough, they get stuck with one another while the rest of the plate keeps moving.
  • Earthquake occurs when the plate has moved far enough and the edges unstick on one of the faults.
  • The location below the earth’s surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter.”

4. Earthquake waves

The release of energy during an earthquake generates waves which are called Earthquake Waves. Earthquake waves are basically of two types body waves and surface waves.
Body waves: They are generated due to the release of energy at the focus and move in all directions traveling through the body of the earth. Hence, the name body waves. The body waves interact with the surface rocks and generate a new set of waves called surface waves.
Surface waves: These waves move along the surface. The velocity of waves changes as they travel through materials with different densities. The denser the material, the higher the velocity. Their direction also changes as they reflect or refract when coming across materials with different densities.

There are two types of body waves. They are called P and S-waves.

P-waves or ‘primary waves’ move faster and are the first to arrive at the surface. The P-waves are similar to sound waves. They travel through gaseous, liquid, and solid materials.
P-waves vibrate parallel to the direction of the wave. This exerts pressure on the material in the direction of propagation. As a result, it creates density differences in the material leading to stretching and squeezing of the material.
S-waves or secondary waves arrive at the surface with some time lag. They can travel only through solid materials. This characteristic of the S-waves is quite important. It has helped scientists to understand the structure of the interior of the earth.
The direction of vibrations of S-waves is Perpendicular to the wave direction in the vertical plane. Hence, they create troughs and crests in the material through which they pass. Surface waves are considered to be the most damaging waves.

5. Measuring of Earthquakes

  • The earthquake events are scaled either according to the magnitude or intensity of the shock.
  • The magnitude scale is known as the Richter scale. The magnitude indicates the energy released during the quake. It is expressed in absolute numbers 0-10.
  • The intensity scale is named after Mercalli, an Italian seismologist. The intensity scale indicates the visible damage caused by the event. The range of intensity scale is from 1-12.

6. Turkey and Syria lie in a seismically active region

  • The region where the earthquake struck lies along a well-known seismic fault line called the Anatolia tectonic block that runs through northern, central, and eastern Turkey.
  • It is a seismically active zone-though not as active as, say, the Himalayan region which is one of the most dangerous regions in the world from the perspective of earthquakes.
  • Large earthquakes, of magnitude 5 or higher, have not been very frequent in recent years. According to USGS, only three earthquakes of magnitude 6 or more have happened in the region since 1970. The last major quake in this area came in January 2020.
  • The seismicity in this region is a result of interactions between the African, Eurasian, and Arabian plates. The Arabian plate is known to be pushing northward, which results in a slight westward movement for the Anatolian plate, where Turkey is located.
  • The earthquake happened around the near-vertical fault line on the eastern Anatolian block, close to the Syrian border.

7. Shallow Earthquakes cause much greater damage

  • Earthquakes in Turkey emerged from relatively shallow depths which made them devastating. The first earthquake, of magnitude 7.8, originated 17.9 km below the earth's surface.
  • All the subsequent ones, including one of 7.5 magnitudes, emerged from even closer to the surface.
  • Shallow earthquakes are generally more devastating because they carry greater energy when they emerge on the surface.
  • Deeper earthquakes lose much of their energy by the time they come to the surface. The deeper quakes spread farther though- the seismic waves move conically upwards to the surface even as they lose energy while traveling greater distances and hence cause less damage.

8. Can earthquakes be predicted?

  • An accurate prediction of an earthquake requires some sort of a precursory signal from within the earth that indicates a big quake is on the way.
  • Moreover, the signal must occur only before large earthquakes so that it doesn’t indicate every small movement within the earth’s surface. Currently, there is no equipment to find such precursors, even if they exist.
  • Theoretically, it is possible to offer a lead time of a few seconds between the time of the origin of the earthquake and the time it reaches the Earth’s surface.
  • Seismic waves travel significantly slower than the speed of light between 5 and 13 km
    per second. So if the earthquake is detected as soon as it is triggered, information about it can be related a few seconds ahead of it reaching the ground.
  • Such systems are already in use in some locations to issue alerts about earthquakes. However, these are not predictions. The alerts are issued post-event.
  • Attempts to find reliable predictors of earthquakes have not been fruitful so far. Scientists have been able to map the areas that are earthquake-prone, and are likely to generate earthquakes in the future, but there is no way to predict when.

For Prelims & Mains

For Prelims: Earthquake, Tectonic plates, Hypocenter, Epicenter, Body waves, Surface waves, P-waves or ‘primary waves’, S-waves or secondary waves, Richter scale, and Seismic waves.
For Mains: 1. What is an Earthquake? How do exactly Earthquakes Occur? Discuss the effects of Earthquakes.
 
Previous Year Questions
 

1.Consider the following: (2013)

  1. Electromagnetic radiation 
  2. Geothermal energy 
  3. Gravitational force 
  4. Plate movements 
  5. Rotation of the earth 
  6. Revolution of the earth 

Which of the above are responsible for bringing dynamic changes on the surface of the earth? 

(a) 1, 2, 3 and 4 only 
(b) 1, 3, 5 and 6 only 
(c) 2, 4, 5 and 6 only 
(d) 1, 2, 3, 4, 5 and 6 

 
Source: The Indian Express
 
 

ANTI-DEFECTION LAW

 
 
 
 
1. Context
 
The Supreme Court on Monday sought the Union government’s response on a petition filed by senior advocate Kapil Sibal challenging the interpretation of the “merger” exception under the anti-defection law contained in the Tenth Schedule of the Constitution.
 

2. About anti-defection law

The anti-defection law in India refers to the provisions laid down in the Tenth Schedule of the Constitution of India, which was inserted by the 52nd Amendment Act of 1985. The primary purpose of the anti-defection law is to curb "political defections" by legislators for personal gains or due to extraneous considerations, thereby promoting stability and integrity in the political system.

Key features and purposes of the anti-defection law include

  • The law provides for the disqualification of elected legislators if they voluntarily give up the membership of their political party or disobey the directives issued by their party leadership on voting in legislative matters.
  • By penalizing defections, the law aims to preserve stability and discipline within political parties. It discourages legislators from switching parties solely for opportunistic reasons, thereby promoting a more principled approach to politics.
  • Preventing defections helps in maintaining stable governments by reducing the likelihood of frequent changes in government formation due to opportunistic alliances or individual defections. This stability is essential for effective governance and policy implementation.
  • The law seeks to protect the mandate given by voters to a particular political party during elections. Defections can undermine the trust placed by voters in a party's policies and candidates, and the anti-defection law aims to safeguard the integrity of the electoral process.
  • By discouraging defections and ensuring that legislators adhere to the party's stance on legislative matters, the law contributes to the smooth functioning of legislatures. It reduces disruptions caused by political uncertainties and promotes a more focused approach to lawmaking and governance.
  • The anti-defection law upholds democratic principles by emphasizing the importance of party discipline and accountability. It encourages elected representatives to remain committed to the party's ideology and manifesto, thereby fostering a more transparent and accountable political system.
 

3. Has the anti-defection law ensured the stability of governments?

The effectiveness of the anti-defection law in ensuring the stability of governments in India is a subject of debate. While the law has certainly had some impact on curbing defections and promoting party discipline, its efficacy in maintaining government stability is not absolute.

Several factors contribute to this nuanced perspective

  • The anti-defection law has succeeded in reducing blatant opportunistic defections where legislators switch parties solely for personal gains or political expediency. This has helped in preventing frequent changes in government formation and instability arising from such defections.
  • In a multi-party democracy like India, coalition governments are common, and the anti-defection law has played a role in preserving these coalitions by deterring individual legislators from defecting and causing the collapse of the government.
  • By discouraging defections and ensuring party discipline, the law has contributed to the smooth functioning of legislatures, which is essential for passing legislation and conducting parliamentary business. This has indirectly supported government stability by facilitating the enactment of policies and laws.
  • Despite its provisions, the anti-defection law has faced challenges and criticisms. Some critics argue that the law has not entirely prevented defections, as legislators often find loopholes or exploit exceptions in the law to switch parties without facing disqualification.
  • Government stability is influenced by various factors beyond the anti-defection law, including political dynamics, coalition dynamics, public opinion, and socio-economic factors. The law alone cannot guarantee government stability in the face of broader political uncertainties and challenges.
  • While promoting stability, the anti-defection law has also raised concerns about its impact on democratic values such as freedom of speech and dissent within political parties. Critics argue that the law may stifle legitimate dissent and independent decision-making among legislators.

 

4. What constitutes defection? Who is the deciding authority?

Defection refers to the act of an elected representative or member of a political party abandoning their original party affiliation and joining another political party or forming a separate group, either independently or in association with others, without following the procedures laid down by their party or the law.

In the context of the anti-defection law in India, defection is specifically defined as:

  • If a member of a political party voluntarily gives up their membership of that party.
  • If an elected member votes or abstains from voting against the directives issued by their party leadership (whip) on a particular legislative matter, without obtaining prior permission.
  • If a member of a political party joins another political party after being elected as a representative.
  • If a member of a political party forms or joins a new group or political party, and such group consists of at least one-third of the members of the original political party in the legislature.

The deciding authority regarding defection cases is typically the Speaker or Chairman of the concerned legislative body (e.g., Lok Sabha, Rajya Sabha, State Legislative Assembly, or State Legislative Council). Upon receiving a complaint or petition regarding a defection case, the Speaker or Chairman examines the matter and makes a decision based on the provisions of the anti-defection law.

The Speaker or Chairman is responsible for determining whether the actions of the member(s) constitute defection as per the law and, if so, for issuing appropriate orders, including disqualification of the defectors from membership of the legislature. The decision of the Speaker or Chairman can be challenged in the courts through legal recourse if it is perceived to be arbitrary or in violation of constitutional principles.

 

5. Kihoto Hollohan case (1993)

The Kihoto Hollohan vs. Zachillhu and Others case, decided by the Supreme Court of India in 1992, is a landmark case related to defection and the role of the Speaker in Indian politics.

  • The Tenth Schedule of the Indian Constitution, introduced through the 52nd Amendment in 1985, laid down provisions to curb defection by elected representatives. This case challenged the constitutionality of the Tenth Schedule, particularly the broad powers it granted to the Speaker in deciding defection cases.
  • The petitioners argued that giving the Speaker such extensive power violated the doctrine of basic structure and potentially infringed on the freedom of speech, dissent, and conscience of elected representatives.
  • The Supreme Court, in a majority judgment, upheld the Tenth Schedule and the Speaker's broad powers. The court reasoned that:
    • The Speaker occupies a crucial position in the parliamentary system and is expected to handle sensitive matters.
    • Granting the Speaker broad discretion is necessary for the efficient and effective functioning of the anti-defection law.
    • The court acknowledged the potential for bias but believed it was minimized by the Speaker's constitutional position and the requirement to act in good faith.

Significance: The Kihoto Hollohan case remains a pivotal judgment shaping Indian politics. It

  • Established the Speaker's authority in deciding defection cases.
  • affirmed the constitutionality of the anti-defection law.
  • However, the case also sparked discussions about the balance between stability and individual rights in the context of defection. It continues to be debated whether the broad powers granted to the Speaker are truly necessary or pose a risk to democratic principles.

 

6. SR Bommai case (1994)

The SR Bommai case, officially known as S.R. Bommai vs. Union of India, is a landmark judgment delivered by the Supreme Court of India in 1994. This case dealt with issues related to the dismissal of state governments under Article 356 of the Constitution of India, popularly known as the President's Rule.

The case was prompted by the dismissal of the government in the state of Karnataka in 1989 under Article 356 by the then-central government led by Prime Minister Rajiv Gandhi. This dismissal led to legal challenges, including petitions filed by S.R. Bommai, who was the Chief Minister of Karnataka at the time of dismissal.

Key Issues

  1. Whether the decision of the President to impose President's Rule in a state under Article 356 was immune from judicial review.
  2. Whether the power of the President to dismiss a state government was absolute or whether there were limitations on this power.
  3. Whether there were grounds for judicial intervention in cases of misuse or abuse of Article 356 by the Central government.

Key Judgments

  • The Supreme Court held that the imposition of the President's Rule in a state is subject to judicial review. The Court ruled that the exercise of power under Article 356 is justiciable, and the President's satisfaction with imposing the President's Rule can be questioned in a court of law.
  • The Court laid down guidelines and limitations on the exercise of power under Article 356. It held that the President's Rule can only be imposed in exceptional circumstances where the constitutional machinery in a state has completely broken down, and the Governor's report justifying the imposition of the President's Rule must be based on relevant material.
  • The Court ruled that a floor test in the legislative assembly is the most effective way to determine the strength of the government and resolve political uncertainties. It held that the majority enjoyed by a government in the assembly should be tested on the floor of the House.

Significance: The SR Bommai case is significant as it established judicial guidelines and limitations on the use of Article 356 and provided clarity on the scope of judicial review in matters related to the dismissal of state governments. It reinforced the principles of federalism and democracy by limiting the Central government's power to dismiss state governments arbitrarily and ensuring accountability in the exercise of such powers.

 

7. The 52nd Amendment Act of 1985 and the 10th Schedule of the Constitution

The 52nd Amendment Act of 1985 was a significant amendment to the Constitution of India. It introduced the Tenth Schedule to the Constitution, commonly known as the anti-defection law. The primary objective of this amendment was to curb the practice of political defections by legislators, which often led to instability in governments and undermined the democratic process.

Key provisions of the 52nd Amendment Act and the Tenth Schedule include

  1. The Tenth Schedule defines defection and provides criteria for disqualification of legislators who defect from their political party.
  2. Legislators can be disqualified if they voluntarily give up their party membership or violate the directives issued by their party leadership on voting in legislative matters.
  3. The Tenth Schedule empowers the Speaker or Chairman of the legislative body to decide on defection cases. The decision of the Speaker or Chairman regarding disqualification is final and cannot be questioned in a court of law except on certain grounds such as mala fide or violation of principles of natural justice.
  4. The Tenth Schedule provides certain exceptions to disqualification, such as when a political party merges with another party, and two-thirds of its members agree to the merger.
  5. While the decision of the Speaker or Chairman is generally final, it is subject to judicial review on certain grounds, such as violation of constitutional provisions or principles of natural justice.

The 52nd Amendment Act and the Tenth Schedule were introduced to promote stability and integrity in the political system by discouraging defections and preserving party discipline. However, over the years, there have been debates and discussions about the effectiveness of the anti-defection law and its impact on democratic principles such as freedom of speech and dissent within political parties. Nevertheless, the introduction of the Tenth Schedule remains a significant milestone in the constitutional history of India aimed at strengthening the democratic framework of the country.

 

8. 91st Amendment Act of 2003

The 91st Amendment Act of 2003 is an important amendment to the Constitution of India. This amendment introduced changes to Article 75 and Article 164, which deal with the appointment of Ministers in the Union Council of Ministers and State Council of Ministers, respectively. The primary objective of the 91st Amendment Act was to prevent the practice of "office of profit" by Members of Parliament (MPs) and Members of the State Legislature (MLAs).

Key provisions of the 91st Amendment Act include

  1. The amendment clarified the definition of "office of profit" held by MPs and MLAs. An office of profit refers to any position held by a person which brings them some financial gain, advantage, or benefit.
  2.  The amendment exempted certain offices from being considered as offices of profit. These include offices held by MPs or MLAs as Ministers, or positions that the Parliament or State Legislature has specifically declared as not being offices of profit.
  3. The amendment specified that a person shall be disqualified from being a member of Parliament or State Legislature if they hold any office of profit under the Government of India or the Government of any state, other than offices exempted by law.
  4. The amendment allowed for the Parliament or State Legislature to make laws specifying the offices that are exempted from disqualification. It also provided for the interpretation of the term "office of profit" by the Parliament or State Legislature.

The 91st Amendment Act aimed to ensure that legislators do not hold positions that could potentially compromise their independence and impartiality in discharging their duties as elected representatives. By preventing MPs and MLAs from holding offices of profit, the amendment sought to uphold the principles of transparency, accountability, and integrity in the functioning of the legislative bodies in India.

 

8.1. What is that ‘exception’?

  • The exception mentioned in the context of the 91st Amendment Act of 2003 refers to certain offices that are exempted from being considered as "office of profit" and, therefore, do not lead to disqualification of MPs or MLAs holding such positions.
  • The amendment provides that certain offices can be specifically exempted by law from being considered as offices of profit. This means that the Parliament or State Legislature can pass laws to declare certain positions or offices as not falling under the definition of office of profit, thereby allowing MPs or MLAs to hold these positions without facing disqualification.
  • The purpose of this exception is to provide clarity and flexibility in determining which positions should be considered as offices of profit and which should be exempted. It allows for a case-by-case examination of positions held by legislators to ensure that they do not hold any office that could potentially compromise their independence or impartiality in discharging their duties as elected representatives.
  • Examples of offices that may be exempted from being considered as offices of profit include positions held by legislators as Ministers or positions that are honorary or ceremonial, without any substantial remuneration or executive authority attached to them. However, the specific exemptions may vary depending on the laws passed by the Parliament or State Legislature.

 

9. The Way Forward

The anti-defection law remains a significant milestone in India's constitutional history, aimed at strengthening democratic principles and promoting a more transparent and accountable political system. There is a need to review and strengthen the implementation of the law, enhance transparency in defection cases, promote intra-party democracy, and encourage public awareness to uphold the integrity of the electoral process and ensure the stability of governments.

 

 

For Prelims: Anti-Defection Law, 91st Amendment Act of 2003, 52nd Amendment Act of 1985, the 10th Schedule of the Constitution, Kihoto Hollohan case, SR Bommai case, Article 356 

For Mains: 
1. Discuss the significance of the anti-defection law in India's political landscape, highlighting its objectives and key features. Also, analyze the effectiveness of the law in curbing political defections and promoting stability within political parties. (250 Words)
2. Discuss the significance of intra-party democracy in strengthening the anti-defection law and promoting a more accountable political system in India. Highlight the importance of transparency and public awareness in upholding the integrity of the electoral process. (250 Words)
 
 
Previous Year Questions
 
1. Regarding anti-defection law in India, consider the following statements: (UPSC 2022)
1. The law specifies that a nominated legislator cannot join any political party within six months of being appointed to the House.
2. The law does not provide any time frame within which the presiding officer has to decide a defection case.
Which of the statements given above is/are correct?
A. 1 only      B. 2 only       C. Both 1 and 2        D.  Neither 1 nor 2
 
 
2. Consider the following statements in respect of Anti-defection Law in India? (OPSC OAS 2022)
(i) Political Parties got Constitutional recognition by the 52nd Constitutional Amendment.
(ii) Anti-defection Law came into effect on March 18, 1985.
(iii) The decision of the Speaker in disqualifying an elected member is subject to judicial review.
(iv) Anti-defection law comes into action if there is a split in the Political Party.
Which of the above statement/s is/are correct?
A. (ii), (iii) and (iv)      B. (i), (iii) and (iv)     C.  (i), (ii) and (iii)       D.  (i), (ii) and (iv)
 

3. Which one of the following Schedules of the Constitution of India contains provisions regarding anti-defection? (UPSC 2014)

(a) Second Schedule
(b) Fifth Schedule
(c) Eighth Schedule
(d) Tenth Schedule

4. The 91st Amendment Act (2003), was made so that the Council of Ministers shall not exceed ___ percent of total number of members of the House of the People (or Assembly, in the case of the States). (DSSSB JE CE 2019) (DSSSB Junior Steno 2021)

A. 16      B. 20      C. 15      D. 18

5. Out of the following statements, choose the one that brings out the principle underlying the Cabinet form of Government: (UPSC 2017)

(a) An arrangement for minimizing the criticism against the Government whose responsibilities are complex and hard to carry out to the satisfaction of all.
(b) A mechanism for speeding up the activities of the Government whose responsibilities are increasing day by day.
(c) A mechanism of parliamentary democracy for ensuring collective responsibility of the Government to the people.
(d) A device for strengthening the hands of the head of the Government whose hold over the people is in a state of decline.

Answers: 1-B, 2-C, 3-D, 4-C, 5-C

Mains

1. The role of individual MPs (Members of Parliament) has diminished over the years and as a result healthy constructive debates on policy issues are not usually witnessed. How far can this be attributed to the anti-defection law which was legislated but with a different intention? (UPSC 2013)
2. ‘Once a Speaker, Always a Speaker’! Do you think this practice should be adopted to impart objectivity to the office of the Speaker of Lok Sabha? What could be its implications for the robust functioning of parliamentary business in India? (UPSC 2020)

Source: The Indian Express

 

 


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