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UPSC Current Affairs — 21 October 2026

15 exam-relevant stories for UPSC Prelims and Mains, with key facts and the UPSC angle. हिंदी

Polity & Governance

CERT-In Cybersecurity Advisory Highlights Unknown Vulnerabilities in India

Recent cybersecurity advisories issued by CERT-In have drawn attention to unknown vulnerabilities and gaps in digital infrastructure. Experts emphasize that India needs robust mechanisms for early detection and prevention of sophisticated data breaches. Strengthening institutional cyber-resilience is critical given the rising frequency of cyberattacks on critical national infrastructure.

• Advisory issued by CERT-In (Indian Computer Emergency Response Team)
• Focuses on unknown vulnerabilities and data breaches
• Emphasizes the need for better detection and prevention mechanisms

UPSC angle: Crucial for Mains GS Paper III (Cyber Security, Information Technology, Critical Infrastructure Protection).

Source: The Hindu

The Election Commission of India and the Need for Verifiable Evidence

Experts note that while the Election Commission of India (ECI) need not accept every political allegation, constitutional authorities must rely on verifiable evidence. Upholding institutional credibility requires transparency and accountability in addressing electoral grievances. This is critical for UPSC aspirants studying constitutional bodies and electoral reforms.

• Discusses the accountability and transparency of the Election Commission.
• Emphasizes the necessity of verifiable evidence over mere allegations.
• Highlights the role of constitutional authorities in a democracy.

UPSC angle: Relevant for Prelims (Constitutional Bodies - ECI) and Mains GS Paper II (Indian Polity - Functioning of Constitutional Bodies and Electoral Reforms).

Source: The Hindu

Haryana Power Staff Strike Against Private Discom Licence in Gurugram, Nuh

Haryana power sector employees have initiated a three-day strike protesting the Haryana Electricity Regulatory Commission's (HERC) decision to grant a 25-year power distribution licence to Eleven Power for Gurugram and Nuh. State authorities plan to contest the decision before a tribunal, while employees argue the move undermines state-owned discoms. The controversy highlights ongoing debates over privatization in critical public utilities.

• HERC granted 25-year licence to Eleven Power
• Covers Gurugram and Nuh districts
• Power staff launched a 3-day strike in opposition

UPSC angle: Relevant for Mains GS Paper II (Governance, Federalism, Public Utilities) and GS Paper III (Infrastructure).

Source: The Hindu

Health Ministry Directs Officials to Ensure Monsoon Preparedness

The Union Health Minister has directed officials to ensure hospital preparedness and uninterrupted health services during the monsoon season. Precautionary measures are mandated to achieve three core objectives: preventing disease spread, avoiding deaths, and ensuring continuous medical services. This holds relevance for public health governance and disaster management preparedness.

• Focuses on hospital preparedness during the monsoon.
• Aims to prevent disease spread, avoid deaths, and ensure uninterrupted services.
• Directs districts to take strict precautionary measures.

UPSC angle: Relevant for Prelims (Public Health initiatives) and Mains GS Paper II (Governance - Issues Relating to Development and Management of Social Sector/Health).

Source: The Hindu

Geography & Environment

Conservation of Paddy Fields Crucial for Biodiversity and Hydrology

Experts highlight that neglecting paddy fields as socio-ecological systems damages local biodiversity, hydrological cycles, and microclimates, worsening food insecurity and floods. Protecting these agricultural wetlands is essential for ecological balance. This issue holds significant importance for environmental conservation topics in UPSC syllabus.

• Paddy fields maintain hydrological balance and microclimates.
• Decline in conservation leads to ecological degradation and floods.
• Crucial for mitigating food insecurity.

UPSC angle: Relevant for Prelims (Environmental Conservation) and Mains GS Paper III (Environmental Impact Assessment and Conservation).

Source: The Hindu

CPCB Submits Before NGT That Thermal Plants Must Undergo Annual Fly Ash Audits

The Central Pollution Control Board (CPCB) has submitted before the National Green Tribunal (NGT) that all thermal power plants must undergo mandatory annual fly ash audits. This submission came in response to a petition filed by the Tamil Nadu Fly Ash Brick and Blocks Manufacturers Association regarding regulatory oversight. Proper auditing aims to ensure scientific utilization, environmental safety, and compliance with disposal norms.

• CPCB submitted proposal before NGT
• Mandatory annual fly ash audits for thermal power plants
• Petition initiated by Tamil Nadu Fly Ash Brick and Blocks Manufacturers Association

UPSC angle: Important for Prelims (CPCB, NGT statutory mandates) and Mains GS Paper III (Environmental Pollution, Waste Management).

Source: The Hindu

Significance of Paddy Field Conservation as a Socio-Ecological System

Neglecting paddy fields as vital socio-ecological systems that regulate local biodiversity, hydrological cycles, and microclimates is a grave concern amid rising food insecurity and floods. Paddy fields act not just as agricultural zones but as critical ecological buffers. This is vital for UPSC environment and sustainable agriculture studies.

• Paddy fields regulate local biodiversity, hydrological cycle, and microclimate.
• Neglect contributes to rising food insecurity and flood risks.
• Recognized as a critical socio-ecological system.

UPSC angle: Relevant for Prelims (Wetlands and Agro-ecosystems) and Mains GS Paper III (Conservation, Environmental Pollution and Degradation).

Source: The Hindu

Study Warns Goa’s Mandovi River is Contaminated with Faecal Coliform

A recent scientific study has raised serious concerns by revealing that Goa’s Mandovi river is heavily polluted with faecal coliform bacteria. This biological contamination poses severe risks to public health and aquatic ecosystems in the region. The findings point towards inadequate sewage management and untreated wastewater discharge into natural water bodies.

• River Mandovi located in Goa
• Study highlights high faecal coliform contamination
• Indicates poor sewage treatment and waste management

UPSC angle: Relevant for Prelims (Water pollution indicators) and Mains GS Paper III (Environmental Pollution and Degradation).

Source: Indian Express

Economy & Finance

Government Sets Up Two Panels to Overhaul Exporter Tax Refund Schemes

The Indian government has established two panels to thoroughly overhaul tax refund schemes for exporters. This decision follows recent recommendations by the expenditure finance committee aimed at better fund targeting and optimal fiscal resource utilization. The move seeks to boost India's export competitiveness while ensuring rationalized public expenditure.

• Two panels set up to overhaul exporter tax refunds
• Recommendation came from the expenditure finance committee
• Aims at optimal fund utilization and better targeting

UPSC angle: Important for Prelims (Tax structures) and Mains GS Paper III (Indian Economy, Exports, Government Budgeting).

Source: Livemint

International Relations

Iran Security Chief Rejects Moving Enriched Uranium Out of Country

Iran's Supreme National Security Council secretary, Mr. Rezaei, has categorically rejected moving enriched uranium out of the country. He emphasized that nuclear material constitutes a vital national asset intended strictly for domestic use. This stance highlights ongoing diplomatic standoffs regarding Iran's controversial nuclear program and international non-proliferation efforts.

• Statement by Iran's security chief Mr. Rezaei
• Refusal to export enriched nuclear material
• Stated that materials are national wealth for domestic use

UPSC angle: Relevant for Prelims (International groupings/treaties like NPT) and Mains GS Paper II (Global Security and West Asia).

Source: The Hindu

Jaishankar and Al Nahyan Discuss West Asia Crisis and Bilateral Ties

External Affairs Minister S. Jaishankar and UAE official Sheikh Tahnoon bin Zayed Al Nahyan held high-level discussions addressing the West Asia crisis, peace initiatives, and strategies to bolster bilateral cooperation. India and the UAE have increasingly strengthened their comprehensive strategic partnership in recent years. This dialogue highlights India's active diplomatic engagement in regional security and stability.

• EAM S. Jaishankar met Sheikh Tahnoon bin Zayed Al Nahyan
• Discussions covered West Asia crisis and peace efforts
• Focus on enhancing bilateral ties

UPSC angle: Important for Mains GS Paper II (Bilateral Relations, India's Interests in West Asia).

Source: Indian Express

North of England Moves to Unlock Trade Potential With India

Regional partnerships between the North of England and India are being explored to unlock the potential of bilateral trade pacts. Such sub-national engagements facilitate direct business-to-business collaborations beyond central government negotiations. This is important for UPSC as it highlights decentralized economic diplomacy and bilateral trade relations.

• Focuses on regional partnerships with the North of England.
• Aims to unlock the potential of the India-U.K. trade pact.
• Involves business-to-business collaborations.

UPSC angle: Relevant for Prelims (bilateral economic ties) and Mains GS Paper II (International Relations - India and UK relations).

Source: The Hindu

Report Alleges Musk Ordered Starshield Service Reduction for Ukraine

Reports have emerged that Elon Musk ordered a reduction in Starshield satellite communication services for Ukraine. Kyiv views this service as critical to defending against the ongoing Russian invasion. The development follows Western geopolitical tensions and U.S. criticisms regarding military targeting strategies.

• Starshield services restricted for Ukraine
• System is crucial for Kyiv's defense operations
• Context includes geopolitical friction and critiques

UPSC angle: Relevant for Mains GS Paper II (International Relations, Global Tech-Geopolitics).

Source: The Hindu

Zelenskyy and U.S. Envoys Hold Oslo Talks Amid Missile Holdup Claims

Ukrainian President Volodymyr Zelenskyy and U.S. envoys held high-level discussions in Oslo, Norway. The talks occurred as Ukraine claimed delays in expected U.S. military missile deliveries. The meetings underscore ongoing diplomatic and military coordination between Kyiv and its Western allies during the ongoing war.

• Talks held in Oslo, Norway
• Involved President Zelenskyy and U.S. envoys
• Addressed military supply holdups and peace efforts

UPSC angle: Useful for Mains GS Paper II (International Relations, Major Global Powers' Foreign Policy).

Source: The Hindu

Security & Defence

Two Men Rearrested in UK Over Suspected Iranian Plot at U.S. Air Base

British police have rearrested two men on suspicion of assisting Iranian intelligence in an alleged security plot targeting a U.S.-run air base in the U.K. The incident highlights transnational intelligence operations and security vulnerabilities at vital military installations. Counter-terrorism authorities are probing potential espionage networks operating within allied nations.

• Two men rearrested by British police
• Suspected of assisting Iranian intelligence services
• Target was a U.S.-run air base in the U.K.

UPSC angle: Relevant for Mains GS Paper III (Internal Security, Cyber and Intelligence Threats, Cross-border Operations).

Source: The Hindu