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DAILY NEWS ANALYSIS

Monthly DNA

18 Mar, 2026

23 Min Read

Sacred Groves in India

GS-III : Biodiversity & Environment Biodiversity & Environment

Recent reports from Kapena village, Odisha, highlight how communal tensions between tribal communities and Christians have disrupted the practice and sanctity of tribal sacred groves. Sacred groves are not only cultural and religious spaces but also ecological treasures, conserved for generations by local communities.

What Are Sacred Groves?

Sacred groves are patches of virgin or near-natural forests that local communities protect due to their religious, cultural, and spiritual significance.

  • They are often linked to deities, ancestral spirits, burial grounds, or water sources.

  • Community-based protection ensures minimal human interference, which has resulted in rich biodiversity conservation even without formal legal safeguards.

Sacred groves are unique because their conservation is driven by moral, spiritual, and cultural duty, not legal enforcement. This traditional knowledge system has preserved ecosystems for centuries.

Extent and Distribution in India

  • India is home to over 1 million sacred forests and approximately 100,000 to 150,000 sacred groves.

  • These groves are spread across the Western Ghats, Himalayas, Northeast, and Central India, with high concentrations in Maharashtra, Karnataka, Kerala, and Tamil Nadu.

Local Names:

  • Sarna (Bihar)

  • Dev Van (Himachal Pradesh)

  • Devarakadu (Karnataka)

  • Kavu (Kerala)

  • Devrai (Maharashtra)

  • Law Kyntang (Meghalaya)

  • Oran (Rajasthan)

  • In the Himalayan foothills, sacred groves may take the form of alpine meadows rather than dense forests.

Sacred groves are culturally adapted to the local environment and community, making them diverse in form and function across India.

Cultural and Religious Foundation

  • Rooted in Hinduism and tribal/indigenous belief systems such as animism, ancestor worship, and reverence for nature spirits.

  • Communities conserve groves out of moral duty, believing in the coexistence of all living beings, which mirrors ecological principles of a balanced ecosystem.

These groves are not just religious sites; they embody traditional ecological wisdom, linking spirituality with environmental stewardship.

Ecological Significance

  1. Biodiversity Refuge: Sacred groves act as “secret wizards of conservation,” protecting rare plants and animals.

  2. Water Conservation: Groves maintain high water quality, sometimes meeting WHO potable standards, and provide habitats for aquatic and terrestrial species.

  3. Soil Conservation: Dense vegetation prevents soil erosion, enhances fertility, and supports long-term ecosystem stability.

  4. Strict Prohibitions: Activities like logging, hunting, and land clearing are strictly forbidden, often enforced by local religious communities or temple trusts.

Sacred groves function as micro-ecosystems that maintain environmental health, water resources, and soil stability, even on small land parcels.

Modern Challenges

  • Declining interest among younger generations

  • Deforestation and urbanization

  • Industrial development encroaching on sacred sites

While traditional practices have conserved groves for centuries, modern economic pressures threaten their ecological and cultural integrity.

Legal and Institutional Protection

National Legislation:

  • Wild Life (Protection) Act, 1972 (WLPA): Allows states to declare sacred groves as Community Reserves, bringing them under Forest Department control.

  • Forest Rights Act (FRA), 2006: Classifies sacred groves as Community Forest Resources, empowering the Gram Sabha to manage and conserve them through Community Forest Resource Management Committees.

Conflict: WLPA-led reserves dilute the Gram Sabha’s autonomy guaranteed under FRA, creating a legal tension between state control and community rights.

Other Conservation Measures:

  • Centrally Sponsored Scheme for Development of Wildlife Habitat: For example, Kerala received funding for the Kadalundi–Vallikkunnu Community Reserve (2020–23).

  • Global Recognition: Sacred groves align with IUCN Green List Standards and qualify as Other Effective Area-based Conservation Measures (OECMs), preserving cultural and ecological values.

Legal frameworks can support or hinder community-based conservation. While international recognition encourages preservation, local governance remains crucial for sustaining sacred groves.



Source: INDIAN EXPRESS

Schizophrenia

GS-III : S&T Health

Recent research analyzing data from more than half a million people has revealed that individuals with schizophrenia are more likely to have weaker bones and suffer fractures compared to the general population.

What is Schizophrenia?

Schizophrenia is a serious mental disorder that disrupts thought processes, perceptions, emotional responses, and social interactions.

  • The severity and course of schizophrenia vary among individuals, but it is typically persistent, disabling, and life-long.

  • It is characterized by psychotic symptoms, cognitive difficulties, emotional disturbances, and social challenges.

Schizophrenia affects multiple aspects of a person’s life, including thinking, feeling, behavior, and relationships, making it a complex condition to manage.

Causes of Schizophrenia

  • Schizophrenia is believed to result from a combination of genetic and environmental factors.

  • Life stressors, prenatal complications, early-life adversity, and disruptions in brain development may influence when and how symptoms appear.

  • Because multiple factors contribute, it is difficult to pinpoint a single cause in each individual case.

Schizophrenia is multifactorial, meaning both inherited traits and life experiences play a role in its development.

Symptoms of Schizophrenia

Symptoms are diverse and affect several domains:

Psychotic Symptoms:

  • Hallucinations: Hearing or seeing things that are not real.

  • Delusions: Strongly held false beliefs.

  • Thought disorder: Disorganized thinking or speech.

Negative Symptoms:

  • Reduced emotional expression.

  • Loss of motivation to achieve goals.

  • Social withdrawal and difficulty maintaining relationships.

Cognitive Symptoms:

  • Problems with attention, memory, and problem-solving.

  • Motor impairments or unusual movements.

Other Risks:

  • Suicidal thoughts and attempts are higher than average among individuals with schizophrenia.

Explanation: Symptoms may start in late adolescence or early adulthood, but signs such as unusual behavior or cognitive difficulties may appear earlier, reflecting disruptions in brain development.

Prevalence and Social Impact

  • Schizophrenia affects approximately 23 million people worldwide, or 1 in 345 people (0.29%).

  • Stigma and social exclusion are widespread, affecting relationships with family, friends, and society at large.

Explanation: Beyond medical symptoms, schizophrenia carries a heavy social burden, often resulting in isolation and discrimination.

Treatment of Schizophrenia

  • There is currently no cure for schizophrenia.

  • Lifelong treatment is necessary, which may include:

    • Medication to manage symptoms.

    • Psychotherapy or talk therapy to support mental health.

    • Skill-building and support for daily life activities, social functioning, and occupational training.

While treatment cannot eliminate the disorder, it helps manage symptoms, improve quality of life, and reduce complications, including mental and physical health risks.


Source: THE HINDU

Sonic Boom

GS-I : Physical Geography Universe and Solar System

Recent studies have shown that seismometers can detect sonic booms created by debris from orbit falling back to Earth. This highlights that sonic booms are not only generated by aircraft but also by objects re-entering the atmosphere from space, producing detectable ground vibrations.

What is a Sonic Boom?

A sonic boom is a loud, thunderous noise produced when an object moves faster than the speed of sound (approximately 343 meters per second at sea level).

When an object exceeds the speed of sound, it compresses air molecules, generating shock waves that release energy as a loud boom.

How is a Sonic Boom Formed?

  • As the object moves through the air, it pushes air molecules aside with tremendous force, creating shock waves along its flight path.

  • The sudden release of pressure after the shock wave buildup is what we hear as a sonic boom.

  • The intensity of the boom depends on multiple factors:

    1. Distance from the ground – closer objects produce louder booms.

    2. Size and shape of the object – larger, heavier aircraft displace more air, generating stronger shock waves.

    3. Type of maneuvers – sharp turns or rapid altitude changes can intensify the boom.

    4. Atmospheric conditions – pressure, temperature, and wind affect how the sound travels.

A bigger, heavier aircraft creates stronger shock waves, while higher altitudes or long aircraft shapes can reduce or split the sonic boom.

Special Phenomena Associated with Sonic Booms

  • Double Sonic Booms: Long aircraft can produce two booms, one from the leading edge and one from the trailing edge.

  • Visible Effects: Sometimes, a cloud or cone shape appears around the aircraft. This is not the sound itself, but water vapor condensing due to sudden pressure changes from the shock wave, forming a temporary cloud.

Sonic booms are audible energy waves, but their effects can sometimes be visual, creating distinctive vapor patterns in the sky.

Impact on the Ground

  • Sonic booms carry large amounts of sound energy and can shatter glass in rare cases.

  • Generally, people on the ground are at low risk, but property damage or disturbance is possible if the aircraft is very large or flies low.

While dramatic, sonic booms are mostly harmless to humans, although they can be disruptive.


Source: THE HINDU

Bacillus subtilis

GS-III : S&T Bio technology

Recently, Kerala declared Bacillus subtilis as its “State microbe.” This recognition highlights the importance of this microorganism in agriculture, health, and scientific research.

What is Bacillus subtilis?

Bacillus subtilis is a type of beneficial (“good”) bacterium, commonly classified as a probiotic, meaning it can support healthy biological processes.

  • It is naturally found in the human gut and in fermented foods.

  • It is also widely present in soil and vegetation, making it an important environmental microorganism.

Being a probiotic and soil bacterium, Bacillus subtilis plays a dual role in both human health and ecological balance.

Characteristics of Bacillus subtilis

  • It is a Gram-positive, rod-shaped bacterium that can move (motile).

  • It is spore-forming, meaning it can produce endospores that help it survive harsh conditions.

  • It is a facultative aerobe, meaning it can survive both in the presence and absence of oxygen.

  • It grows best at temperatures between 25°C and 35°C.

These characteristics make B. subtilis highly resilient and adaptable, allowing it to survive in diverse environments.

Unique Biological Features

One of the most important features of Bacillus subtilis is its ability to produce and secrete antibiotics.

  • It produces compounds such as polymyxin, difficidin, subtilin, and mycobacillin, which help fight harmful microorganisms.

  • Its genome contains signal peptidase genes that assist in secreting these antibiotic substances.

Additionally, B. subtilis is widely used as a model organism to study endospore formation in bacteria.

  • Its endospores can survive extreme conditions, such as high temperatures and UV radiation.

These features make B. subtilis extremely valuable in biotechnology and microbiological research, especially in understanding bacterial survival mechanisms.

Transmission and Disease Potential

  • Bacillus subtilis is generally non-pathogenic, meaning it does not usually cause disease.

  • However, it can sometimes contaminate food and act as an opportunistic pathogen in people with weakened immune systems.

While mostly safe, it requires monitoring in clinical and food safety contexts, especially for vulnerable populations.

Applications of Bacillus subtilis

Agricultural Uses:

  • Used as a biological fungicide due to its ability to produce antibiotics.

  • It colonizes plant roots and competes with harmful pathogens, protecting crops.

  • Some strains produce toxins harmful to insects, making it useful for natural pest control.

Scientific and Industrial Uses:

  • Its endospores are used to test sterilization methods and the effectiveness of disinfectants.

  • Serves as a model organism in microbiology and genetic research.

Bacillus subtilis is highly valuable because it provides eco-friendly solutions in agriculture and supports scientific advancements.

Conclusion

The declaration of Bacillus subtilis as Kerala’s State microbe highlights its importance as a beneficial microorganism with wide-ranging applications in agriculture, health, and research. Its ability to produce antibiotics and survive extreme conditions makes it a valuable asset for sustainable development and scientific innovation.



Source: INDIAN EXPRESS

Rat-Hole Mining

GS-III : Biodiversity & Environment Environmental Pollution

A major disaster unfolded in East Jaintia Hills, Meghalaya, when at least 18 workers died following an explosion in an illegally operating rat-hole coal mine. This incident highlights the continued prevalence of rat-hole mining despite bans imposed by the National Green Tribunal (NGT) and the Supreme Court of India.

Rat-hole mining is driven by thin coal seams, livelihood dependence, and weak enforcement under Sixth Schedule autonomy, exposing miners to severe risks and causing environmental degradation.

What is Rat-Hole Mining?

Rat-hole mining is a primitive and highly hazardous method of coal extraction in which miners dig extremely narrow tunnels, usually 3–4 feet high, just large enough to crawl through.

  • Miners work in squatting or crawling positions using basic tools.

  • The tunnels lack scientific planning, structural support, or ventilation, making the mines extremely dangerous.

  • Predominantly practiced in Meghalaya, similar practices have been reported in other northeastern states.

Types of Rat-Hole Mining:

  1. Side-cutting: Horizontal tunnels dug along exposed coal seams on hill slopes.

  2. Box-cutting: A vertical pit is dug, and multiple horizontal tunnels branch out like tentacles.

This method targets coal seams directly but ignores safety, structural, and environmental concerns, putting miners at extreme risk.

Legality of Rat-Hole Mining

  • The NGT banned rat-hole mining in 2014, labeling it unscientific and illegal due to its environmental impact.

  • The Supreme Court upheld the ban, making all rat-hole mining operations illegal under the Mines and Minerals (Development and Regulation) Act, 1957 (MMDR Act).

Explanation: Despite legal prohibitions, the practice continues illegally because enforcement is weak and local socio-economic factors drive persistence.

Reasons for Persistence

  1. Geological Constraints: Coal seams in Meghalaya are often less than 2 meters thick, making open-cast mining economically unviable. Rat-hole mining extracts coal directly with minimal overburden removal.

  2. Economic Dependence: Mining is a primary source of livelihood for many communities. The income generated sustains local economies.

  3. Lack of Alternatives: Limited industrial development and employment options push locals to continue mining despite the dangers.

  4. Demand: Regional industries rely on cheap coal from these mines, sometimes with collusion between mine owners, local authorities, and political figures.

The persistence of rat-hole mining is a combination of geological necessity, economic survival, and weak enforcement, creating a complex socio-economic challenge.

Concerns Associated with Rat-Hole Mining

Safety Hazards:

  • Mines are death traps with no pillars, ventilation, or emergency exits.

  • Common causes of death include roof collapses, flooding, and asphyxiation.

  • Child labor is prevalent in these hazardous conditions.

Environmental Impacts:

  1. Water Pollution: Acid Mine Drainage (AMD) contaminates rivers like the Kopili, Myntdu, and Lukha, making them too acidic for aquatic life. Heavy metals like Iron, Cadmium, and Chromium further degrade water quality.

  2. Deforestation and Soil Erosion: Massive clearing of forests causes biodiversity loss and topsoil degradation, reducing land fertility.

  3. Air Pollution: Fine particulate matter and toxic gases harm communities, especially Scheduled Tribes like Jaintias, Khasis, and Garos.

  4. Occupational Diseases: Miners suffer from silicosis, pneumoconiosis (“black lung”), and risks from trapped toxic gases due to poor ventilation.

Regulatory Challenges:

  • Under the Sixth Schedule, Autonomous District Councils (ADCs) control land and mineral rights, limiting central oversight.

  • Enforcement under the MMDR Act, 1957 is weak due to manpower shortages, corruption, and political interference.

Rat-hole mining is not only a human rights and safety issue, but also a severe environmental and governance challenge.

Measures to End the Rat-Hole Mining Crisis

  1. Technological Surveillance:

    • Use drones, satellite imagery, and GIS mapping to detect illegal mining in real time.

    • Maintain a centralized database to track offenders and repeat violations.

  2. Alternative Livelihoods:

    • Promote pineapple cultivation, eco-tourism, and agri-horticulture to reduce economic dependence on mining.

  3. Empowered Mining Oversight:

    • Create dedicated Extra Assistant Commissioners (EACs) focused solely on mining regulation, reporting directly to NGT committees.

  4. MEPRF Utilization:

    • Use the Meghalaya Environment Protection and Restoration Fund to pay former miners for ecological restoration, forming a “Green Corps.”

  5. Open-Cast Mining in Designated Zones:

    • Invest in safe open-cast mining where coal seams are thick enough, with mechanization, ventilation, and safety pillars.

    • Consolidate small land holdings into larger cooperatives to make this economically viable.

Ending illegal mining requires simultaneous enforcement and socio-economic solutions to provide safer livelihoods while protecting human life and the environment.

Conclusion

The rat-hole mining crisis in Meghalaya demands a dual approach:

  1. Strict technological and legal enforcement to prevent illegal operations.

  2. Proactive investment in sustainable livelihoods to break communities’ dependence on unsafe coal extraction.

Only a balanced approach combining safety, environmental protection, and economic alternatives can prevent further tragedies like the one in East Jaintia Hills.



Source: INDIAN EXPRESS

Anti-Defection Law in India

GS-II : Indian Polity Anti Defection Law

The Supreme Court of India recently gave a final three-week deadline to the Telangana Assembly Speaker to decide pending disqualification petitions against defecting MLAs under the Anti-Defection Law.

What is the Anti-Defection Law?

The Anti-Defection Law was introduced through the 52nd Amendment (1985), which added the Tenth Schedule to the Constitution. Its main aim is to stop political defections motivated by personal gain and ensure political stability in Parliament and State Assemblies.

  • The law was strengthened by the 91st Amendment (2003), which removed the “split” provision (allowing one-third of legislators to defect) and retained only the merger provision.

Objectives of the Law:

  1. Maintain political stability and prevent sudden government toppling.

  2. Curb horse-trading by discouraging parties from offering incentives to lure legislators.

  3. Enforce party discipline, ensuring legislators vote according to the party whip.

  4. Allow mergers without disqualification to strengthen democracy.

The law balances stability and accountability, discouraging opportunistic defections while allowing genuine party mergers.

Grounds for Disqualification

A legislator may be disqualified if they:

  1. Voluntarily give up party membership (even inferred from conduct).

  2. Vote or abstain against the party whip.

  3. Join a political party after being elected as an independent member.

  4. Nominated members who join a political party after six months of their appointment.

Exceptions:

  • Merger of parties: No disqualification if two-thirds of legislators agree to merge.

  • Speaker neutrality: Speaker, Chairman, or Deputy resigning from the party to remain neutral is exempt.

The law identifies defection through conduct, not just formal resignation, while providing limited exceptions to encourage genuine mergers and neutral presiding officers.

Role of the Presiding Officer

  • Speaker/Chairman decides disqualification petitions.

  • Decisions are subject to judicial review, but courts intervene only after the Speaker’s decision.

Criticism:

  • The law does not set a time limit for the Speaker to act.

  • Speakers, often from the ruling party, may delay decisions for political advantage (“pocket veto”).

  • It limits legislators’ freedom to vote according to conscience and discourages intra-party democracy.

Supreme Court Stance on Anti-Defection

Key judgments include:

  1. Padi Kaushik Reddy v. State of Telangana (2025): SC urged reforms for timely and fair adjudication and re-examination of the Speaker’s role.

  2. Keisham Meghachandra Singh vs Speaker, Manipur (2020): Speaker must decide cases within three months; delays defeat the Tenth Schedule. Suggested an independent tribunal.

  3. Ravi S. Naik v. Union of India (1994): Speaker must act as a neutral adjudicator; conduct can indicate defection even without formal resignation.

  4. Kihoto Hollohan v. Zachillhu (1992): Speaker’s decisions are reviewable in cases of mala fide intent, procedural irregularity, or constitutional violation.

SC emphasizes neutrality, promptness, and accountability in disqualification proceedings to uphold democratic principles.

Measures to Strengthen the Anti-Defection Law

  1. Stronger Enforcement:

    • Time-bound, transparent, and publicly accessible defection proceedings (recommended by Dinesh Goswami Committee, Law Commission Reports).

  2. Independent Decision-Making:

    • Transfer authority from the Speaker to a permanent independent tribunal or Election Commission, reducing political bias.

    • 2nd Administrative Reforms Commission suggested decisions be taken by President/Governor on EC advice.

  3. Promote Intra-Party Democracy:

    • Encourage internal party debates and reduce top-down control, as recommended by the 170th Law Commission Report.

  4. Speaker Resignation Convention:

    • Adopting the British model, where the Speaker resigns from their party upon election to ensure neutrality.

  5. Limiting Scope of the Whip:

    • Whip binding should be limited to critical motions (No-Confidence, Money Bills, survival of government).

    • For other bills, MPs/MLAs should vote according to conscience and constituency interests.

These reforms aim to balance stability with representative democracy, prevent misuse, and protect legislators’ independence while maintaining government integrity.

Conclusion

The Supreme Court’s warning to the Telangana Assembly Speaker highlights delays and potential bias in enforcing the Anti-Defection Law.

  • Reforms such as time-bound decisions, independent adjudication, and limited whip powers are essential to strengthen democratic accountability.

  • Without such reforms, the law risks favoring ruling parties and curbing dissent, undermining its original purpose



Source: PIB

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