DAILY CURRENT AFFAIRS IAS | UPSC Prelims and Mains Exam – 19th October 2026

Science & Technology | Space Technology | Astronomy

Why in the news?

NASA selected the PUFFINS space telescope mission, led by Bengaluru-born astronomer Dr Ramya Anche of the University of Arizona, with funding of US$20 million. The mission aims to study tiny dust grains between stars using ultraviolet light. 

Key facts

• Full form: Polarimetry in the Ultraviolet to Find Features in INterStellar dust.
• Programme: NASA’s Astrophysics Pioneers programme.
• Lead institution: Steward Observatory, University of Arizona, USA.
• Principal Investigator: Dr Ramya Anche.
• Spacecraft: Small satellite (SmallSat) in low Earth orbit.
• Telescope aperture: Approximately 10 inches (25 cm).
• Target observations: About 70 stars.
• Launch: Targeted for 2030 by the University of Arizona and The Hindu; NASA’s programme page has also listed 2029, so the schedule remains subject to confirmation. 

Scientific objective

PUFFINS will use ultraviolet spectropolarimetry—measuring the polarisation of light across different ultraviolet wavelengths—to investigate interstellar dust grains smaller than approximately 50 nanometres.

• Interstellar dust: Tiny solid particles found in the space between stars.
• Polarisation: A property describing the orientation of light waves.
• Scientific significance: Dust grains influence how starlight travels through space and provide clues about the formation and evolution of stars and planets.
• Magnetic-field connection: The alignment of dust grains with the Milky Way’s magnetic field affects the polarisation of starlight. 

India connection and exam pointers

• Dr Anche grew up in Devanahalli near Bengaluru and has an academic connection with the Indian Institute of Astrophysics (IIA).
• Indian institutions reported as participating in the mission include IIA, Bengaluru, and the Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune. 

Sources:

https://www.thehindu.com/news/national/karnataka/bengalurean-to-lead-nasas-20-million-space-telescope-mission/article71588128.ece#google_vignette

Economy | International Trade | Digital Governance

Why in the news?

Union Commerce and Industry Minister Piyush Goyal launched the National Strategic Trade Command Centre (NSTCC) on 15 October 2026 at Vanijya Bhawan, New Delhi. It aims to strengthen trade intelligence, monitor export performance and support evidence-based policy decisions. 

Key facts

• Developed by: Department of Commerce, Ministry of Commerce and Industry.
• Nature: Integrated data analytics and visualisation platform.
• Primary objective: Improve monitoring, analysis and governance of India’s international trade ecosystem.
• Digital integration: Uses existing Directorate General of Foreign Trade (DGFT) systems and the Trade Connect ePlatform.
• Future scope: Phased integration of data from other government departments, States and Export Promotion Councils. 

Major functions

1. Integrated monitoring: Consolidates trade performance, application pendency, processing timelines and emerging risks.
2. Performance assessment: Tracks export promotion schemes and compares the performance of DGFT Regional Authorities.
3. Export intelligence: Enables product-wise and destination-market-wise analysis to identify export opportunities.
4. Policy support: Identifies administrative bottlenecks and procedural complexities to facilitate reforms.
5. Trade agreement analysis: Helps assess the utilisation of trade agreements and India’s position in global markets. 

Important dashboards

The NSTCC’s initial phase covers these areas, along with restricted imports and exports. 

Sources:

https://newsonair.gov.in/union-minister-piyush-goyal-launches-national-strategic-trade-command-centre-in-new-delhi/

Science & Technology | Space Missions | Planetary Exploration

Why in the news?

Japan’s Japan Aerospace Exploration Agency (JAXA) successfully launched the Martian Moons eXploration (MMX) spacecraft on 20 October 2026, aboard its H3 launch vehicle from Tanegashima Space Center. The mission aims to explore Mars’s two moons and return a sample from Phobos to Earth in 2031. 

Key facts about MMX

• Lead agency: JAXA, Japan.
• International partners: NASA (USA), ESA (Europe), CNES (France) and DLR (Germany).
• Launch vehicle: H3 rocket, Flight No. 10.
• Primary target: Phobos; the mission will also observe Deimos.
• Sample return: At least 10 grams of Phobos surface material, targeted for return in 2031.
• Rover: Idefix, developed jointly by France’s CNES and Germany’s DLR. 

Scientific objectives

1. Determine whether Phobos and Deimos are captured asteroids or formed from debris produced by a major impact on Mars.
2. Study the composition, topography, internal structure and gravity of Phobos.
3. Investigate the evolution of the Martian system and the early Solar System.
4. Demonstrate technologies for landing, sampling and returning material from a planetary moon. 

Mars and its moons: Prelims pointers

Phobos

• Larger and closer to Mars.
• Irregular, rocky body.
• Primary target for MMX sample collection.

Deimos

• Smaller and farther from Mars than Phobos.
• Will be observed during the mission.

Important distinction: MMX aims to return a sample from a moon of Mars, not from Mars itself. Its planned return capsule is expected to land in Australia in 2031. 

Sources:

https://www.indiatoday.in/science/story/japan-to-launch-spacecraft-to-martian-moon-phobos-on-tuesday-bring-back-rocks-in-2031-3018849-2026-10-16

Art & Culture | Ancient and Medieval Indian Architecture | UNESCO World Heritage Sites

Why in the news?

The Archaeological Survey of India (ASI) launched conservation work on the upper rampart of Brihadiswara Temple in Thanjavur, Tamil Nadu, in October 2026. The project, estimated at ₹59 lakh, aims to remove damaging vegetation, repair affected masonry and apply protective brick-jelly lime concrete. 

Key facts

• Location: Thanjavur, Tamil Nadu.
• Dedicated to: Lord Shiva.
• Built by: Chola emperor Rajaraja I.
• Construction: Approximately 1003–1010 CE.
• Other names: Brihadeeswarar Temple, Periya Kovil, Rajarajesvaram and Dakshina Meru.
• Architectural style: Dravidian (Dravida).
• UNESCO status: Part of the Great Living Chola Temples World Heritage property, inscribed in 1987. 

Major architectural features

• Vimana: The towering pyramidal structure above the sanctum, approximately 66 metres high.
• Material: Primarily granite, assembled using traditional stone construction techniques.
• Nandi: A monumental sculpture of Shiva’s sacred bull, carved from a single stone.
• Inscriptions: Record temple administration, donations, religious activities and aspects of Chola society.
• Murals and sculptures: Illustrate Chola artistic traditions, religious themes and performing arts. 

Great Living Chola Temples

The UNESCO property demonstrates the architectural, sculptural and cultural achievements of the Chola dynasty. These remain living temples where worship continues. 

Sources:

https://www.thehindu.com/news/cities/Tiruchirapalli/asi-launches-conservation-works-on-upper-rampart-of-big-temple/article71596290.ece

Economy | Banking and Financial Institutions | Governance

Why in the news?

The Union Government reconstituted the Financial Services Institutions Bureau (FSIB) on 16 October 2026, appointing former MSME Secretary Subhas Chandra Lal Das as its part-time chairperson for three years. The bureau recommends candidates for senior leadership positions in public-sector banks, financial institutions and insurance companies. 

Key facts

• Established: 1 July 2022.
• Administrative ministry: Ministry of Finance, through the Department of Financial Services.
• Nature: Autonomous body of the Government of India.
• Predecessor: Banks Board Bureau (BBB).
• Chairperson: Subhas Chandra Lal Das (appointed October 2026). 

Major functions

1. Appointments: Recommends candidates for whole-time directors and non-executive chairpersons of public-sector banks (PSBs), financial institutions (FIs) and public-sector insurers.
2. Personnel matters: Advises the government on appointments, transfers, tenure extensions and termination of directors.
3. Performance appraisal: Advises on systems to evaluate the performance of senior leadership.
4. Governance and ethics: Recommends codes of conduct, ethics and management development programmes.
5. Institutional development: Supports business strategy, capital-raising plans and leadership capacity-building. 

Newly appointed members: Important for current affairs

• PSBs and financial institutions: Arijit Basu, Satish Kashinath Marathe and Ramanathan Subramanian.
• Public-sector insurance companies: Siddhartha Mohanty, Neerja Kapur and T. L. Alamelu. 

FSIB vs Banks Board Bureau

Sources: 

https://www.thehindubusinessline.com/money-and-banking/financial-services-institutions-bureau-to-be-headed-by-scl-das-former-secretary-msme-ministry/article71595578.ece

GS III – Disaster Management / GS II – Governance
Crowd Management, Public Safety, and Disaster Preparedness

Introduction

Every Durga Puja, Kolkata shows up at its most encompassing and generous, stepping out of daily drudgery to celebrate faith, art, and the joy of communal celebration. The tragedy at Chorbagan Sarbojanin Durga Puja in north Kolkata, where a crowd surge on a rain-soaked evening claimed at least 19 lives and injured at least 25 others, has cast a tragic shadow over this annual ritual. Preliminary accounts suggest a sudden downpour, narrow lanes, inadequate police and civic volunteer presence, dim lighting inside the pandal, and a poorly-worded announcement that triggered panic turned a festive gathering into a catastrophe. For the families who returned without their loved ones, the festival has been broken into a before and an after—a celebration interrupted by the sudden, senseless extinguishing of cherished lives.

The Incident: Contributing Factors

Preliminary Accounts

• Sudden Downpour: Rain-soaked evening.
• Narrow Lanes: North Kolkata’s heritage lanes—integral to its character, but leave little room for error.
• Inadequate Presence: Police and civic volunteers.
• Dim Lighting: Inside the pandal.
• Poorly-Worded Announcement: Triggered panic.

The Human Cost

• Deaths: At least 19.
• Injuries: At least 25.
• Impact: Families who went pandal-hopping returned without their loved ones.

The Gap: Formal Safeguards vs. Unpredictable Dangers

This Year’s Safety Guidelines

• Fire-retardant fabrics.
• Accessible firefighting equipment.
• Separate entry and exit gates.
• Unobstructed access for emergency vehicles.

The Lesson

• Beyond Formal Safeguards: Preparedness must extend to less predictable dangers—congestion, sudden panic, restricted movement.
• Narrow Heritage Lanes: Character of north Kolkata; little room for error when thousands converge.

Historical Precedents

• Deshapriya Park (2015): 88-ft Durga idol drew overwhelming crowds; near-stampede; immediate police intervention stopped public access, averting tragedy.
• Sreebhumi Sporting Club (2021): Burj Khalifa replica drew large crowds; similar tragedy averted.
• Lesson: Need for swift, decisive action when unforeseen circumstances threaten to overtake crowd-control measures.

The Response

Immediate Steps

• Arrests: Made in aftermath.
• Committee: State announced review of crowd management and structural safety at major venues.
• Restrictions: Police restricted access to several prominent pandals as precaution.
• Compensation: Centre announced compensation for bereaved families.

The Broader Lesson

• Plan for the Unexpected: Organisers and officials must plan not only for the expected but also for moments when ordinary arrangements break down.
• Better Preparedness: Can ensure the memory of Chorbagan becomes a reason for greater vigilance and care.

Way Forward

Crowd Management

• Real-Time Monitoring: CCTV, drones, footfall counters.
• Crowd Flow Planning: One-way routes; separate entry/exit; holding areas.
• Adequate Personnel: Police and civic volunteers proportionate to expected crowds.
• Communication: Clear, calm announcements; avoid panic-triggering language.

Infrastructure and Safety

• Lighting: Adequate illumination inside and around pandals.
• Emergency Access: Unobstructed routes for ambulances and fire tenders.
• Structural Safety: Regular audits of pandals and surrounding infrastructure.
• Weather Contingency: Plan for sudden rain; slippery surfaces; shelter.

Institutional Preparedness

• District Disaster Management Plans: Integrate festival crowd management.
• Mock Drills: For police, volunteers, and organisers.
• Coordination: Police, civic bodies, organisers, hospitals.
• Review Mechanism: Post-festival audits; learn from near-misses.

Community Engagement

• Organiser Responsibility: Safety protocols; volunteer training.
• Public Awareness: Dos and don’ts; emergency contacts.
• Grievance Redressal: For safety concerns.

Conclusion

The Chorbagan tragedy is a difficult reckoning. Kolkata is no stranger to managing immense festival crowds; this year’s guidelines included fire-retardant fabrics, separate gates, and emergency access. Yet Chorbagan reminds us that preparedness must extend beyond formal safeguards to the unpredictable dangers of congestion, sudden panic, and restricted movement. North Kolkata’s narrow heritage lanes leave little room for error. Historical precedents—Deshapriya Park (2015), Sreebhumi (2021)—show that swift, decisive action can avert tragedy. The state’s committee, police restrictions, and compensation are necessary steps. But the broader lesson is that organisers and officials must plan for moments when ordinary arrangements break down. Better preparedness can at least ensure that the memory of Chorbagan becomes a reason for greater vigilance and care.

Practice Question

1. The Chorbagan Durga Puja tragedy is a reminder that preparedness must extend beyond formal safeguards to the less predictable dangers of congestion, sudden panic, and restricted movement. Critically examine the challenges of crowd management during festivals and suggest measures for preventing such tragedies. (250 words, 15 marks)

https://indianexpress.com/article/opinion/editorials/kolkata-chorbagan-durga-puja-tragedy-10927276/

GS III – Energy / GS III – Environment
Renewable Energy Storage, Grid Stability, and Energy Transition

Introduction

As clean energy reshapes India’s power landscape, a timeless technology—Pumped Storage Hydropower (PSH)—is paving the way for a powerful new energy future. Often described as a “water battery,” pumped storage uses water and gravity to store electricity, bridging the gap between when power is generated and when it is needed. As of July 2026, India has crossed 300 GW of installed non-fossil fuel-based electricity generation capacity, adding around 55.29 GW during FY 2025-26. India has set a target of 500 GW non-fossil fuel capacity by 2030. However, renewable generation varies with sunlight, weather, and demand patterns—creating a growing need for energy storage.

The Storage Imperative

Why Storage Matters

• Variability: Solar and wind generation varies with sunlight, weather, and daily demand patterns.
• Need: Store electricity when renewable generation exceeds demand; supply during low generation or peak demand.

Projected Requirements (CEA)

• Total Storage by 2031-32: 73.93 GW.
• Pumped Storage Projects (PSPs): 26.69 GW.
• Battery Energy Storage Systems (BESS): 47.24 GW.

Understanding PSPs: The Water Battery

How It Works

• Two Reservoirs: Located at different elevations.
• Charging: During surplus electricity, water pumped from lower to upper reservoir (stored as potential energy).
• Discharging: When electricity required, water released through turbines to generate electricity.
• Cycle: Water pumped back during surplus; completes storage cycle.

PSPs vs. BESS: Complementary Solutions

Types of PSPs

• On-stream: Both reservoirs on a river, stream, or nallah.
• Off-stream Open-loop: One reservoir on a river; other not.
• Off-stream Closed-loop: Neither reservoir on a river, perennial stream, or perennial nallah; efforts to identify more off-stream projects away from rivers—faster execution, minimal aquatic ecology impact.

India’s Pumped Storage Momentum

Current Status (As of August 2026)

• Operational: 7.43 GW across 10 projects (installed capacity >25 MW).
• Under Construction/Implementation: 15.87 GW across 11 PSPs.
• Next Stage (CEA Concurred/Appraised): 10.40 GW across 8 projects.

Identified Potential

• Total Projects: 320 PSPs; combined potential 345.38 GW.
• On-stream: 62 projects; 56.67 GW.
• Off-stream: 258 projects; 288.71 GW.

Regional Distribution

• Western Region’s Advantage: Topographical features and steep gradients of rivers originating from Western Ghats.

Projected Capacity Addition (to 2035-36)

• Total Addition: 100.81 GW.
• Cumulative by 2035-36: 105.56 GW.
• Roadmap: Integrate 100 GW of PSP capacity between 2025-26 and 2035-36.

Global Context

Global Installed Capacity (End-2025)

• Total: 159.8 GW (IRENA).
• China: ~66 GW.
• Japan: ~22 GW.
• USA: ~19 GW.
• India: 7.18 GW (end-2025); 7.43 GW (July 2026)—4th globally.

Government Initiatives

Policy and Regulatory Measures

• Dedicated PSP Development Guidelines (April 2023): Policy framework for faster development.
• Support for Enabling Infrastructure: Budgetary support for roads, bridges, railway sidings, ropeways, communication facilities, transmission lines.
• Competitive Procurement Framework (February 2025): Tariff-Based Competitive Bidding (TBCB) guidelines.
• ISTS Charge Waiver: 100% waiver for PSPs awarded by 30 June 2028; 25 years from commercial operation.
• Faster Project Approvals: CEA DPR concurrence timelines reduced from 90 to 50 days; Inter-State Aspects clearance removed.
• Streamlined Environmental Appraisal: B2 categorisation; reduced baseline data requirements for off-stream projects.
• Facilitating Survey and Investigation: Extended forest land survey provisions; enhanced borehole exploration limits.
• Integrated Grid and Transmission Planning: Roadmap for 100 GW PSP capacity (2025-26 to 2035-36).
• Digital Project Monitoring: Jal Vidyut DPR portal for real-time monitoring.
• Revised CEA Concurrence Limit: ₹3,000 crore for hydro generating stations; off-stream closed-loop PSPs exempted irrespective of capital expenditure.

Conclusion

Pumped Storage Hydropower is well positioned to address India’s long-duration energy storage requirement—providing large-scale storage, supporting peak demand management, integrating variable renewable energy, and strengthening grid flexibility and resilience. With 7.43 GW operational, 15.87 GW under construction, and 100.81 GW planned by 2035-36, India is scaling up rapidly. Identified potential of 345.38 GW across 320 projects provides a strong foundation. Government initiatives—policy clarity, fiscal support, streamlined clearances, competitive procurement, and integrated grid planning—have created an enabling environment. As India targets 500 GW non-fossil capacity by 2030, pumped storage will be central to building a cleaner, more flexible, and future-ready power system.

Practice Question

1. Pumped Storage Hydropower is well positioned to address India’s long-duration energy storage requirement, supporting grid stability and renewable integration. Critically examine the role, potential, and policy ecosystem for pumped storage projects in India’s clean energy transition. (250 words, 15 marks)

https://www.pib.gov.in/PressReleaseDetail.aspx?PRID=2324992&reg=3&lang=1