UPSC Daily Current Affairs Compilation: 5 October 2026

1. National Dolphin Day 2026: Gangetic Dolphin Conservation Status & Project Dolphin

Syllabus Mapping: GS Paper III (Conservation, Environmental Pollution & Degradation, Wildlife Protection)

Source: Press Information Bureau (PIB) / The Hindu

Context

October 5 is observed annually across India as National Dolphin Day, designated by the National Board for Wildlife (NBWL) to generate awareness and spur active conservation of the Gangetic River Dolphin (Platanista gangetica).

In-Depth Analysis & Key Provisions

The Gangetic Dolphin is one of only four surviving freshwater dolphin species globally (alongside the Amazon river dolphin, the Indus river dolphin, and the endangered Yangtze finless porpoise, following the functional extinction of the Baiji). Functioning as an apex predator in riverine ecosystems, it is an umbrella species whose population health directly mirrors the ecological integrity of the Ganga-Brahmaputra-Meghna river basins.

Because the Gangetic dolphin is essentially blind due to the lack of a crystalline lens, it relies exclusively on ultrasonic echolocation (clicks and whistles) to navigate, forage, and avoid obstacles in turbid waters. This bio-acoustic dependence makes the species exceptionally vulnerable to anthropogenic underwater noise, mechanized vessel traffic, and riverbed dredging under the National Waterways projects.

Major threats confronting the species include:

• Hydrological Fragmentation: Dams, barrages (e.g., Farakka Barrage), and irrigation canals divide populations into isolated gene pools, impeding natural migration and genetic exchange.
• Bycatch and Entanglement: Accidental entanglement in monofilament nylon gillnets remains a primary cause of non-natural mortality.
• Pollution and Siltation: Industrial effluents, agricultural runoff carrying organochlorine pesticides, and reduced river base-flows alter water chemistry and degrade deep-pool habitats.

Under Project Dolphin (conceptualized along the lines of Project Tiger), the Ministry of Environment, Forest and Climate Change (MoEFCC) has scaled up community-led conservation through local Dolphin Mitras, deployed acoustic monitoring networks, and prioritized the protection of the Vikramshila Gangetic Dolphin Sanctuary in Bihar.

Prelims & Mains Takeaway

• Prelims Core: IUCN Status: Endangered; Wildlife (Protection) Act, 1972: Schedule I; CITES: Appendix I; Designated as the National Aquatic Animal of India in 2009.
• Mains Focus: Evaluate the ecological implications of river infrastructure development on freshwater megafauna and examine how community stewardship balances river navigation with biodiversity preservation.

2. Sixteenth Finance Commission Deliberations: Balancing Equity, Efficiency, and Fiscal Federalism

Syllabus Mapping: GS Paper II (Indian Constitution, Federal Structure, Devolution of Powers and Finances)

Source: The Indian Express

Context

The Sixteenth Finance Commission (headed by Dr. Arvind Panagariya) has intensified consultations with State governments regarding the horizontal devolution formula and criteria for fiscal transfers for the five-year award period commencing April 1, 2026.

In-Depth Analysis & Key Provisions

The Finance Commission is a quasi-judicial body constituted every five years under Article 280 of the Constitution. Its primary mandate is to recommend the vertical sharing of divisible tax revenue between the Union and the States, alongside the horizontal distribution among States based on equity and efficiency principles.

Key contentious issues under deliberation include:

• Demographic Performance vs. Population Weight: The adoption of the 2011 Census data (retained since the 15th FC) remains contentious. Southern States argue that rewarding population size penalizes States that successfully implemented National Family Planning programmes, reducing their total fertility rates (TFR) below the replacement level of 2.1. They advocate for a higher weight on demographic management and economic performance.
• Income Distance Metric: Historically accounting for 45% of the horizontal devolution formula, the income distance criterion favors poorer States (like Bihar and Uttar Pradesh) to ensure horizontal fiscal equalization. However, industrialized States demand greater weight for own-tax revenue mobilization, fiscal discipline, and contributions to national GDP.
• Cesses and Surcharges: States have raised concerns regarding the expanding share of cesses and surcharges in the Union’s gross tax revenue. Because Article 270 excludes cesses and surcharges from the divisible pool, the effective tax devolution to States has hovered below the recommended 41% baseline.
• Performance-Linked Grants: The Commission is structuring conditionality-based grants targeting climate change adaptation, municipal solid waste management, and quality improvements in health and school education infrastructure.

Prelims & Mains Takeaway

• Prelims Core: Article 280 (Appointment & Composition); Article 270 (Divisible Pool distribution); Article 275 (Grants-in-aid); Qualifications under the Finance Commission Act, 1951.
• Mains Focus: “The tension between equity and efficiency poses a structural challenge to India’s fiscal federalism.” Analyze this statement in the context of horizontal devolution criteria under the 16th Finance Commission.

3. Monetary Policy Committee (MPC) Review: Navigating Core Inflation vs. Food Price Volatility

Syllabus Mapping: GS Paper III (Indian Economy, Issues Relating to Planning, Mobilization of Resources, Inflation Management)

Source: The Hindu

Context

The Reserve Bank of India’s (RBI) Monetary Policy Committee (MPC) convened for its October bi-monthly meeting, evaluating liquidity management tools and assessing the transmission of monetary policy amid recurring food price shocks.

In-Depth Analysis & Key Provisions

Under Section 45ZB of the Reserve Bank of India Act, 1934, the six-member MPC operates under the Flexible Inflation Targeting (FIT) framework, legally tasked with maintaining Consumer Price Index (CPI) inflation at 4% with a tolerance band of +/- 2%.

The macroeconomic deliberation centers on several operational dynamics:

• Headline vs. Core Inflation Divergence: While core inflation (CPI excluding volatile food and fuel components) has remained stable within the target range, headline inflation periodically spikes due to supply disruptions in perishables (vegetables, pulses, and edible oils). The MPC continues to debate whether repeated supply-side food shocks risk de-anchoring long-term inflation expectations, necessitating prolonged elevated policy rates.
• Monetary Transmission Deficit: The transmission of past repo rate hikes into bank lending rates (MCLR and External Benchmark Lending Rates – EBLR) has been uneven across retail and MSME segments compared to corporate credit.
• Liquidity Management: The RBI manages systemic liquidity through Standing Deposit Facility (SDF) rates, Marginal Standing Facility (MSF), and fine-tuning Variable Rate Reverse Repo (VRRR) auctions. Aligning the Weighted Average Call Rate (WACR) with the repo rate is critical to prevent unwarranted financial market easing that could fuel speculative credit expansion.
• External Sector Buffers: Divergence in monetary easing timelines among global central banks (including the US Federal Reserve) influences foreign portfolio investment (FPI) flows, sovereign bond yields, and the stability of the Indian Rupee (INR).

Prelims & Mains Takeaway

• Prelims Core: Statutory basis of MPC under RBI Act, 1934; Composition (3 RBI members including Governor + 3 Central Govt nominees); Quorum (4 members); Governor’s casting vote; SDF vs MSF mechanics.
• Mains Focus: Can monetary policy effectively mitigate inflation primarily driven by supply-side agricultural bottlenecks? Discuss the structural limitations of interest rate adjustments in emerging economies.

4. PM-PRANAM and Fertilizer Subsidy Rationalization: Promoting Balanced Agro-Nutrient Use

Syllabus Mapping: GS Paper III (Major Agriculture Crops and Cropping Patterns, Subsidies, Soil Health)

Source: Press Information Bureau (PIB)

Context

The Department of Fertilizers conducted a performance review of the PM-PRANAM (PM Programme for Restoration, Awareness, Nourishment and Amelioration of Mother Earth) scheme, highlighting state-wise reductions in chemical fertilizer consumption and the adoption of bio-fertilizers.

In-Depth Analysis & Key Provisions

India’s agricultural sector has long been plagued by distorted soil chemical balances, primarily caused by the disproportionate application of heavily subsidized urea (Nitrogen) relative to Diammonium Phosphate (Phosphorus) and Muriate of Potash (Potassium). The standard recommended N:P:K application ratio is 4:2:1, but in intensive agricultural zones (such as Punjab and Haryana), it has frequently skewed beyond 8:3:1, resulting in widespread soil acidification, micronutrient deficiencies (zinc, sulfur, boron), and groundwater nitrate contamination.

Under the PM-PRANAM framework:

• Incentive Structure: The scheme does not have a separate designated budget. Instead, it is funded through savings in the overall fertilizer subsidy. 50% of the subsidy savings achieved by a State or Union Territory through reduced chemical fertilizer consumption is transferred directly to that State as an untied grant.
• Fund Utilization: States must direct 70% of these incentive grants toward capital assets for the alternative fertilizer supply chain, rural composting units, and village-level bio-gasification systems. The remaining 30% is earmarked to reward farmers, panchayats, and Farmer Producer Organizations (FPOs) demonstrating verifiable soil health restoration.
• Promotion of Next-Gen Nutrients: The initiative promotes sulfur-coated urea (Urea Gold), nano-urea, nano-DAP, and organic manure produced under the GOBARdhan initiative. The broader objective is to systematically shift from the volume-based subsidy regime to a Nutrient Based Subsidy (NBS) architecture for all major fertilizers.

Prelims & Mains Takeaway

• Prelims Core: Financing mechanism of PM-PRANAM (50% grant from verified subsidy savings); Ideal N:P:K ratio (4:2:1); NBS coverage (applies to P & K fertilizers; Urea traditionally outside NBS under MRP control); Urea Gold (Sulfur-coated urea benefits).
• Mains Focus: Examine how rationalizing farm subsidies under PM-PRANAM can address both fiscal deficits and long-term ecological degradation in India’s agricultural heartlands.

5. Universal Healthcare for Seniors Aged 70+: Expansion of Ayushman Bharat PM-JAY

Syllabus Mapping: GS Paper II (Welfare Schemes for Vulnerable Sections, Issues Relating to Health & Human Resources)

Source: The Hindu / PIB

Context

The Union Ministry of Health and Family Welfare has implemented the operational guidelines extending health coverage under the Ayushman Bharat Pradhan Mantri Jan Arogya Yojana (AB PM-JAY) to all senior citizens aged 70 years and above, irrespective of their socioeconomic status.

In-Depth Analysis & Key Provisions

India is experiencing a significant demographic shift. According to the UNFPA India Ageing Report, the country’s elderly population (aged 60+) is projected to double to over 20% of the total population by 2050, accompanied by a rising burden of non-communicable diseases (NCDs) and chronic morbidities requiring prolonged hospitalization.

Key structural aspects of the expanded intervention include:

• Universal Entitlement: Senior citizens aged 70+ receive an independent annual health cover of ₹5 lakh per family for secondary and tertiary care hospitalization. This top-up operates distinctly: seniors from existing PM-JAY beneficiary families receive an exclusive ₹5 lakh pool that cannot be shared with non-elderly family members.
• Non-Exclusionary Design: Seniors belonging to non-poor families are eligible for issuance of the specialized Ayushman Vay Vandana Card upon Aadhaar-based e-KYC authentication, removing income thresholds.
• Option for Existing Beneficiaries: Senior citizens already covered under other public health insurance frameworks (e.g., Central Government Health Scheme – CGHS, Ex-Servicemen Contributory Health Scheme – ECHS, or Ayushman CAPF) are given a one-time choice to retain their existing scheme or migrate to AB PM-JAY.
• Mitigating Out-of-Pocket Expenditure (OOPE): Healthcare expenses account for a substantial percentage of catastrophic household spending among senior citizens, frequently pushing vulnerable families below the poverty line. By providing cashless access to specialized geriatric care, oncology, cardiology, and orthopedics, the scheme aims to alleviate domestic financial shocks.

Operational challenges remain, including ensuring adequate empanelment of private tertiary care hospitals in Tier-2 and Tier-3 cities, establishing robust grievance redressal mechanisms to prevent wrongful claim rejections, and setting up dedicated geriatric wards with specialized palliative support.

Prelims & Mains Takeaway

• Prelims Core: Nodal Agency: National Health Authority (NHA); Insurance Coverage: ₹5 lakh per family per year; Financing: Centrally Sponsored Scheme (60:40 ratio for most States, 90:10 for NE/Himalayan States, 100% for UTs without legislature).
• Mains Focus: “Expanding universal health coverage for the elderly is a critical pillar of social security in an ageing society.” Critically examine the structural and fiscal challenges of operationalizing geriatric care under AB PM-JAY.

6. Glacial Lake Outburst Flood (GLOF) Early Warning Systems in the Hindu Kush Himalayas

Syllabus Mapping: GS Paper III (Disaster Management, Climate Change Impacts on Mountain Ecosystems)

Source: The Indian Express

Context

The National Disaster Management Authority (NDMA) along with the Geological Survey of India (GSI) has completed the deployment of real-time multi-hazard Early Warning Systems (EWS) across high-risk glacial lakes in Sikkim, Uttarakhand, and Himachal Pradesh.

In-Depth Analysis & Key Provisions

The Hindu Kush Himalayan (HKH) region is warming at an accelerated rate compared to the global average, a phenomenon known as Elevation-Dependent Warming (EDW). Rapid retreat and thinning of glaciers have led to the formation of proglacial and supraglacial lakes dammed behind unconsolidated terminal or lateral moraines. These moraine dams lack cohesive structural strength and are susceptible to sudden failure—causing catastrophic Glacial Lake Outburst Floods (GLOFs) downstream.

GLOF triggers include:

• Moraine Dam Breaches: Cascading events such as ice or rock avalanches plunging into glacial lakes, generating displacement waves that overtop and erode the moraine dam.
• Permafrost Degradation: Melting interstitial ice within moraines weakens their mechanical stability.
• Seismic and Hydro-Meteorological Triggers: Earthquakes combined with extreme cloudbursts accelerate hydrostatic pressure build-up behind weak dams (as witnessed in the 2023 South Lhonak lake outburst in Sikkim).

The NDMA mitigation strategy encompasses:

• Automated Sensor Deployment: Installation of automated water level recorders (AWLR), acoustic Doppler profilers, satellite telemetry links, and synthetic aperture radar (SAR) monitoring to detect rapid changes in lake volume and perimeter expansion.
• Engineering Interventions: Controlled siphoning, pumping, and excavation of stable artificial spillways to lower lake water levels below dangerous thresholds.
• Downstream Early Warning Dissemination: Linking sensor nodes to community alert sirens, Cell Broadcast systems, and automated river discharge gauge networks to ensure at least 30 to 60 minutes of evacuation lead time for downstream settlements, hydropower dams, and bridge infrastructure.

Prelims & Mains Takeaway

• Prelims Core: GLOF definition; Key high-risk lakes: South Lhonak (Sikkim), Gepang Gath (Himachal Pradesh); Moraine dam structure; Role of NDMA and Central Water Commission (CWC).
• Mains Focus: Analyze the vulnerability of critical infrastructure (such as run-of-the-river hydroelectric projects) in the fragile Himalayan ecology to cascading disaster events like GLOFs, and suggest policy remedies.

7. Deepfake Regulation and Intermediary Due Diligence: Amendments to Information Technology Rules

Syllabus Mapping: GS Paper II & III (Government Policies, Cyber Security, Artificial Intelligence & Ethics)

Source: The Indian Express / PIB

Context

The Ministry of Electronics and Information Technology (MeitY) has issued revised compliance directives under the Information Technology (Intermediary Guidelines and Digital Media Ethics Code) Rules, 2021, mandating real-time detection, labeling, and removal of non-consensual synthetic media (deepfakes).

In-Depth Analysis & Key Provisions

The democratization of generative AI, particularly deep learning models like Generative Adversarial Networks (GANs) and diffusion models, has made producing high-fidelity synthetic video, voice cloning, and fabricated imagery widely accessible. While synthetic media offers productive applications in visual arts and digital education, its weaponization presents severe risks to democratic processes, social harmony, personal reputation, and financial security (e.g., identity spoofing and biometric fraud).

Under the revised regulatory guidelines:

• Mandatory Provenance Tracking and Watermarking: Intermediaries and generative AI platforms must incorporate machine-readable cryptographic metadata and visible watermarks on all synthetic or artificially manipulated audio-visual content, identifying it as “AI-Generated/Altered.”
• Tighter Safe Harbor Compliance: Under Section 79 of the Information Technology Act, 2000, internet intermediaries enjoy legal immunity (“safe harbor”) from third-party content, provided they observe due diligence. The new directives mandate that failure to remove non-consensual deepfakes—specifically those violating bodily privacy, impersonating public officials, or generating child sexual abuse material (CSAM)—within 2 to 3 hours of being notified results in the immediate revocation of safe harbor protections.
• Proactive Algorithmic Auditing: Significant Social Media Intermediaries (SSMIs) must deploy automated content hashing and detection filters to identify and restrict repeat uploads of previously flagged deepfake materials.
• Constitutional Balance: The regulatory measures navigate a sensitive constitutional boundary between safeguarding individual dignity and privacy under Article 21 (K.S. Puttaswamy v. Union of India) and preventing arbitrary censorship that could infringe upon free speech and artistic expression under Article 19(1)(a).

Prelims & Mains Takeaway

• Prelims Core: Section 79 of IT Act, 2000 (Safe Harbor Clause); Rule 3(1)(b) of IT Rules, 2021; Difference between GANs and Diffusion models; Definitions of SSMI (user base > 5 million).
• Mains Focus: Discuss the regulatory and ethical challenges associated with governing generative artificial intelligence. How can policy strike a balance between individual digital privacy and the freedom of technological innovation?

8. India-Middle East-Europe Economic Corridor (IMEC): Strategic Review of Multimodal Nodes

Syllabus Mapping: GS Paper II (Bilateral, Regional and Global Groupings and Agreements Involving India)

Source: The Hindu

Context

Diplomatic and infrastructure working groups of the India-Middle East-Europe Economic Corridor (IMEC) convened a strategic review meeting to evaluate port modernization, rail interconnections, and clean energy transit networks across member countries.

In-Depth Analysis & Key Provisions

Unveiled on the sidelines of the G20 New Delhi Summit, IMEC represents a landmark geoeconomic initiative designed to facilitate trade connectivity, digital data flows, and clean energy transport between India, the Arabian Gulf, and Europe.

The corridor is structured around two distinct legs:

1. The Eastern Corridor: Connecting maritime commercial ports on India’s western coast (such as Mundra, Kandla, and Jawaharlal Nehru Port Trust – JNPT) to key maritime hubs in the United Arab Emirates (including Jebel Ali and Fujairah).
2. The Northern Corridor: Bridging Gulf rail networks across Saudi Arabia and Jordan to the Mediterranean port of Haifa (Israel), connecting via sea lines to European ports like Piraeus (Greece), Marseille (France), and Genoa (Italy).

Beyond standard freight logistics, IMEC is designed around four integrated pillars:

• Physical Multimodal Transport: A combined maritime and rail transit network aimed at cutting shipping transit times between India and Europe by nearly 40% and logistics costs by 30% compared to the Suez Canal maritime route.
• Clean Hydrogen and Energy Grid: Laying dedicated pipelines for green hydrogen export and establishing cross-border electricity interconnectors to integrate renewable energy grids.
• High-Speed Digital Connectivity: Deploying high-capacity undersea and terrestrial fiber-optic cables to strengthen international telecommunication networks and digital trade corridors.
• Geostrategic Value: IMEC offers a transparent, multilateral, and rules-based infrastructure financing alternative to China’s Belt and Road Initiative (BRI). It counters debt-trap risks by emphasizing fiscal sustainability, environmental governance, and host-nation sovereignty.

Prelims & Mains Takeaway

• Prelims Core: Signatory nations/entities: India, US, UAE, Saudi Arabia, France, Germany, Italy, European Union; Major connecting nodes (Mundra, Jebel Ali, Haifa, Piraeus); Comparison with International North-South Transport Corridor (INSTC).
• Mains Focus: Assess the strategic and economic significance of IMEC for India’s foreign policy in West Asia and evaluate the geopolitical risks posed by regional volatility in the Middle East.

9. Governor’s Assent to State Bills: Judicial Clarification on Article 200 Discretionary Limits

Syllabus Mapping: GS Paper II (Structure, Organization and Functioning of the Executive and the Judiciary, Constitutional Posts)

Source: The Hindu

Context

A Constitution Bench of the Supreme Court has issued guidelines clarifying the operational scope of the options available to Governors under Article 200 of the Constitution, emphasizing the doctrine of constitutional morality and representative democracy.

In-Depth Analysis & Key Provisions

Article 200 of the Indian Constitution outlines the procedural pathways available to a Governor when a bill passed by the State Legislative Assembly is presented for assent:

1. Grant assent to the Bill;
2. Withhold assent to the Bill;
3. Reserve the Bill for the consideration of the President (under Article 201);
4. Return the Bill (if it is not a Money Bill) to the House with a message requesting reconsideration.

The judicial interpretation addresses the practice of Governors exercising a “pocket veto”—sitting on passed legislation indefinitely without formally declaring their decision or returning the bill to the House.

The Supreme Court’s core principles include:

• The “As Soon As Possible” Mandate: The first proviso to Article 200 states that the Governor may return the Bill “as soon as possible.” The Court observed that this phrase carries a constitutional duty: the Governor cannot delay action indefinitely, as doing so undermines the legislative mandate of the elected government.
• Withholding Assent Requires Action: Withholding assent cannot be a passive, open-ended pocket veto. If a Governor withholds assent, that decision must be communicated alongside a message returning the Bill to the legislature for reconsideration, unless the bill is unconstitutional or directly undermines the position of the High Court (necessitating reservation for the President).
• Re-passage by the Legislature: Under the same proviso, if the State Legislature re-passes the bill (with or without amendments), the Governor has no further discretion and must grant assent.
• Alignment with Commissions: The ruling aligns with recommendations from the Sarkaria Commission (1988) and the Punchhi Commission (2010), both of which advocated a fixed six-month time limit for Governors to decide on State bills to prevent federal friction.

Prelims & Mains Takeaway

• Prelims Core: Article 200 (Governor’s options on State bills); Article 201 (Bills reserved for President’s consideration); First Proviso to Article 200 (Mandatory assent upon re-passage); Key commissions: Sarkaria, Punchhi, Venkatachaliah.
• Mains Focus: “The office of the Governor was envisioned as an anchor of constitutional stability, not an impediment to the legislative process.” Critically examine the checks on gubernatorial discretion under Article 200.

10. Gaganyaan Human Spaceflight Programme: Crew Module Recovery Protocols

Syllabus Mapping: GS Paper III (Science & Technology: Awareness in the Fields of Space, Indigenization of Technology)

Source: Press Information Bureau (PIB) / The Hindu

Context

The Indian Space Research Organisation (ISRO), in collaboration with the Indian Navy, conducted integrated open-sea recovery trials for the Gaganyaan Crew Module (CM) off the coast of Visakhapatnam, marking a critical milestone ahead of crewed spaceflight missions.

In-Depth Analysis & Key Provisions

The Gaganyaan Programme is designed to demonstrate India’s indigenous capability to launch a 3-member crew into a Low Earth Orbit (LEO) of approximately 400 km for a 3-day mission, followed by a controlled de-orbit and safe splashdown recovery in designated Indian territorial waters.

Key technical systems tested during the recovery trials include:

• Aero-Deceleration Parachute System: A complex sequence involving multiple parachutes deployed in stages:
  1. Apex Cover Separation: Removing the protective upper thermal shroud;
  2. Drogue Parachutes: Twin parachutes deployed at supersonic/high-subsonic speeds to stabilize and slow the module;
  3. Pilot and Main Parachutes: A cluster of three massive main parachutes deployed to reduce the terminal descent velocity to less than $8.5 \text{ m/s}$ prior to water impact.
• Thermal Protection System (TPS): The base of the crew module is shielded by ablative thermal tiles that absorb and dissipate the extreme frictional heating ($>1,600^\circ\text{C}$) generated during atmospheric re-entry.
• Crew Module Uprighting System (CMUS): In the event of inverted water landing (upside-down splashdown), automated buoyancy gas bags inflate on the upper deck to right the capsule, ensuring communication antennas stay clear of the waterline.
• Recovery Team Coordination: Testing the insertion of naval divers, rigid-hull inflatable boats (RHIBs), flotation collars, and shipboard crane-lift operations onto naval recovery vessels.

Achieving crew-rated reliability ($99.9\%$) requires rigorous validation of the Environmental Control and Life Support System (ECLSS), the Crew Escape System (CES), and cabin depressurization safety margins. Successful execution makes India only the fourth country (after Russia, the United States, and China) to develop an independent human spaceflight capability.

Prelims & Mains Takeaway

• Prelims Core: Launch Vehicle: LVM3 (formerly GSLV Mk-III), human-rated as HLVM3; Orbit parameters: 400 km circular LEO; Recovery site: Bay of Bengal / Arabian Sea; Vyommitra (half-humanoid robot developed for uncrewed test flights).
• Mains Focus: Discuss the strategic, scientific, and industrial spinoffs of the Gaganyaan mission for India’s domestic manufacturing and research ecosystem.

Prelims Quick Facts: 5 October 2026

• National Dolphin Day: Celebrated on October 5 every year. The Gangetic Dolphin was declared the National Aquatic Animal of India on this day in 2009.
• World Teachers’ Day: Observed internationally on October 5 (organized by UNESCO, ILO, and UNICEF since 1994), commemorating the 1966 UNESCO/ILO Recommendation concerning the Status of Teachers. (Note: India’s National Teachers’ Day is September 5, birth anniversary of Dr. S. Radhakrishnan.)
• Vikramshila Gangetic Dolphin Sanctuary: Located in the Bhagalpur district of Bihar, stretching along a 65 km segment of the Ganga River; the only designated protected sanctuary for Gangetic river dolphins in India.
• Nutrient Based Subsidy (NBS) Scheme: Administered by the Department of Fertilizers since 2010. It fixes annual per-kg subsidy rates for Nitrogen (N), Phosphate (P), Potash (K), and Sulfur (S). Urea has traditionally remained outside the NBS regime and under direct statutory price controls.
• Standing Deposit Facility (SDF): Introduced under Section 17 of the RBI Act. It allows the RBI to absorb surplus liquidity from commercial banks without providing government securities as collateral, strengthening systemic liquidity management.
• Article 200 of the Constitution: Governs the Governor’s power to grant assent, withhold assent, or reserve State bills for the President’s consideration. If a returned bill is re-passed by the state legislature, the Governor cannot withhold assent.
• HLVM3 (Human-Rated Launch Vehicle Mark-3): Modified version of ISRO’s heaviest operational rocket, equipped with an electro-mechanical Crew Escape System (CES), structural redundancies, and certified liquid core stages (L110) for human safety certification.
• IMEC Northern vs. Eastern Segment: The Eastern Corridor links Indian western ports to Arabian Gulf ports; the Northern Corridor links Gulf rail networks via Jordan and Israel to European ports across the Mediterranean Sea.
• South Lhonak Lake: A proglacial moraine-dammed lake located in North Sikkim, recognized as a primary hotspot for high-altitude GLOF vulnerability studies in the Eastern Himalayas.
• Rule 3(1)(b) of IT Rules, 2021: Obligates internet intermediaries to inform users not to host, display, or upload content that is impersonating, defamatory, invasive of privacy, or artificially altered to deceive the public.