Short notes on Current Affairs 22.12.2025

Superkilonova

Overview

  • A superkilonova is a rare and extremely powerful cosmic explosion.
  • It is related to, but more energetic than, a kilonova, which occurs when two neutron stars merge.

What is a Kilonova?

  • Formed when two neutron stars collide.
  • The collision ejects matter rich in heavy radioactive elements such as:
    • Gold
    • Platinum
    • Neodymium
  • As these elements decay, they emit light in the optical and infrared spectrum.
  • This emission is observed as a kilonova.

What Makes a Superkilonova Different?

  • A superkilonova has an additional source of energy, making it:
    • Brighter
    • Bluer
    • Longer-lasting than a typical kilonova

Two Proposed Mechanisms for Superkilonovae

  1. Fallback Heating Model (Earlier Theory)
    • After neutron-star merger, some ejected material falls back toward the merged object.
    • The falling matter heats up and transfers energy to surrounding ejecta.
    • This boosts brightness and changes the color of the explosion.
  2. Supernova–Kilonova Sequence (Newly Proposed Model)
    • A massive star first explodes as a supernova.
    • The supernova leaves behind two neutron stars.
    • These neutron stars then merge, producing a kilonova.
    • The combined energy output results in a superkilonova.

The New Discovery

  • Reported in a study published on December 15.
  • Conducted by an international research team, including scientists from:
    • IIT Bombay
    • Indian Institute of Astrophysics, Bengaluru
  • Focused on a bright cosmic event located 1.3 billion light-years away.
  • The object’s:
    • Brightness
    • Spectral “fingerprint”
      matched predictions for a superkilonova.

Observational Details

  • For the first three days, the event appeared like a typical kilonova.
  • Afterward, its behavior resembled a supernova.
  • This transition caused some astronomers to lose interest.
  • The research team continued observing, suspecting something unusual.

Expert Insight

  • Astronomer Mansi Kasliwal (Caltech’s Palomar Observatory) highlighted the importance of sustained observation.
  • The event challenged existing classifications of cosmic explosions.

Scientific Significance

  • Suggests multiple formation pathways for superkilonovae.
  • Highlights the need for long-term monitoring of transient cosmic events.
  • Improves understanding of:
    • Neutron star mergers
    • Supernovae
    • The cosmic origin of heavy elements
  • Researchers caution that more data is needed to confirm this model.

Conclusion

  • While not yet definitive, the discovery is considered “eye-opening.”
  • It expands current understanding of how the universe’s most energetic explosions may occur.

India–New Zealand Free Trade Agreement

Overview

  • India and New Zealand have concluded a comprehensive FTA, considered a major economic and strategic milestone for India in the Indo-Pacific region.
  • The FTA aligns with India’s vision of Viksit Bharat 2047.
  • Negotiations began on 16 March 2025, and concluded after 5 formal rounds plus multiple in-person and virtual discussions.

Key Objectives of the FTA

  • Promote employment and skill mobility
  • Drive trade and investment-led growth
  • Foster agricultural innovation and productivity
  • Enhance MSME participation
  • Strengthen long-term economic resilience

Trade and Tariff Provisions

  • Elimination of tariffs on 100% of tariff lines for Indian exports to New Zealand
  • Supports labour-intensive sectors including:
    • Textiles, apparel, leather, footwear
    • Marine products, gems, jewellery, handicrafts
    • Engineering goods, automobiles
  • Enhances Indian competitiveness in global value chains

Services and Skilled Employment

  • New Zealand offers its most ambitious services commitments in any FTA to date
  • Opportunities for Indian sectors include:
    • IT and IT-enabled services
    • Professional services, education, financial services
    • Tourism, construction, business services
  • Mobility framework:
    • Improved entry and stay provisions for students, professionals, and youth
    • Temporary Employment Entry Visa: 5,000 visas for skilled professions, stay up to 3 years
    • Covers IT, engineering, healthcare, education, AYUSH practitioners, yoga instructors, Indian chefs, music teachers

Agricultural Cooperation

  • Agri-Technology Action Plans for kiwifruit, apples, and honey
  • Focus on:
    • Productivity enhancement
    • Research collaboration and value-chain development
    • Post-harvest practices, food safety, technical support
  • Establishment of Centres of Excellence for capacity building and technology adoption
  • Support for apple cultivators and sustainable beekeeping

Investment Partnership

  • New Zealand commits USD 20 billion investment in India over 15 years
  • Supports manufacturing, infrastructure, services, innovation, and employment
  • Indian enterprises gain access to New Zealand and Pacific Island markets

Pharmaceuticals and Medical Devices

  • Faster regulatory approvals through recognition of GMP and GCP inspections from comparable regulators (e.g., US FDA, EMA, UK MHRA)
  • Reduces duplicative inspections, lowers compliance costs, and expedites exports

Intellectual Property and Geographical Indications

  • Cooperation on Geographical Indications (GI) for wines, spirits, and other Indian goods
  • Includes provisions for AYUSH, culture, fisheries, tourism, forestry, horticulture, and traditional knowledge

Regulatory and Trade Facilitation

  • Addresses non-tariff barriers via:
    • Regulatory cooperation
    • Transparency
    • Streamlined customs, SPS, and technical barriers
  • Ensures tariff concessions translate into meaningful market access

Economic Context

  • Bilateral merchandise trade reached USD 1.3 billion in 2024–25
  • Total trade in goods and services: ~USD 2.4 billion in 2024
  • Services trade: USD 1.24 billion, led by travel, IT, and business services
  • The FTA provides a stable, predictable framework to expand trade and investment

Index of Eight Core Industries (ICI) – November 2025

Overall Performance

  • The Index of Eight Core Industries (ICI) recorded a 1.8% year-on-year growth in November 2025, indicating improvement in industrial activity.
  • Growth was uneven across sectors, with manufacturing and construction-related industries performing better than energy-related sectors.
  • The final ICI growth for October 2025 was –0.1%, highlighting volatility in recent months.
  • Cumulative ICI growth (April–November 2025–26) stood at 2.4% (provisional) compared to the same period last year.

Importance of ICI

  • The eight core industries account for 40.27% of the weight in the Index of Industrial Production (IIP).
  • ICI trends serve as a leading indicator of overall industrial and economic activity.

Sector-wise Analysis

  • Coal (10.33% weight)
    • Production increased by 2.1%, supporting industrial demand.
    • Despite monthly growth, cumulative output declined by 1.4%, reflecting supply or demand constraints.
  • Crude Oil (8.98% weight)
    • Output declined by 3.2%, continuing structural challenges in domestic production.
    • Cumulative decline of 1.3% indicates persistent weakness.
  • Natural Gas (6.88% weight)
    • Production fell by 2.5% with a sharper 3.0% cumulative decline, affecting energy availability.
  • Petroleum Refinery Products (28.04% weight – highest)
    • Marginal decline of 0.9% in November.
    • Cumulative growth of 0.2% suggests relative stability despite monthly contraction.
  • Fertilizers (2.63% weight)
    • Strong growth of 5.6%, supported by agricultural demand.
    • Cumulative growth of 1.3% reflects moderate expansion.
  • Steel (17.92% weight)
    • Production rose by 6.1%.
    • Robust cumulative growth of 9.7%, driven by infrastructure and construction activity.
  • Cement (5.37% weight)
    • Highest monthly growth at 14.5%.
    • Cumulative growth of 8.2%, signaling strong construction and real estate demand.
  • Electricity (19.85% weight)
    • Generation declined by 2.2%.
    • Slight cumulative decline of 0.3%, indicating subdued power demand or supply-side issues.

Financial Fraud Risk Indicator (FRI) – DoT

Institutional Initiative & Collaboration

  • The Department of Telecommunications (DoT) has introduced the Financial Fraud Risk Indicator (FRI) to combat rising cyber and financial fraud.
  • The success of FRI is driven by strong inter-agency collaboration, especially with the Reserve Bank of India (RBI) and the National Payments Corporation of India (NPCI).
  • This collaboration has enabled large-scale onboarding of stakeholders onto the Digital Intelligence Platform (DIP).

Scale of Adoption

  • Over 1000 entities, including banks, financial institutions, Third-Party Application Providers (TPAPs), and Payment System Operators (PSOs), are now onboarded on DIP.
  • These entities are actively using FRI for fraud detection and prevention.
  • DoT has conducted 16 knowledge-sharing sessions to improve awareness and effective implementation.

Impact & Outcomes

  • Since its rollout on 22 May 2025, FRI has helped prevent cyber fraud losses of approximately ₹660 crore in just six months.
  • Banks and payment platforms have used FRI to decline suspicious transactions or issue alerts, preventing large-scale financial damage.
  • The impact spans public sector banks, private banks, cooperative banks, TPAPs, and other financial institutions.

Evolving Cybercrime Landscape

  • Cybercrime in India has become more organized and sophisticated, resembling digital cartels.
  • Fraud methods include digital arrest scams, SIM-box frauds, and misuse of telecom infrastructure.
  • These threats evolve rapidly, requiring real-time intelligence and coordinated response.

Role of Jan Bhagidari (Citizen Participation)

  • Citizen participation has emerged as a critical pillar in fraud prevention.
  • Sanchar Saathi has become a powerful crowdsourced cyber-intelligence platform, enabling citizens to report fraud-related activities.
  • Inputs from citizens directly contribute to the FRI risk assessment mechanism.

Sanchar Saathi Platform

  • Available as both a web portal and mobile app (Android & iOS).
  • Citizens can:
    • Report suspected fraud calls and SMS (Chakshu).
    • Check and manage mobile connections registered in their name.
    • Block, trace, and recover lost or stolen mobile phones.
    • Verify genuineness of mobile handsets.
    • Access trusted contact details of banks and institutions.
  • Increased downloads and usage reflect high public trust and awareness.

Preventive Value of Citizen Reporting

  • While aware users may ignore fraud calls, reporting them helps protect less-informed citizens.
  • Citizen reports help authorities and telecom operators:
    • Detect fraud patterns.
    • Block offending numbers.
    • Disable fake or misused connections.
    • Deter repeat offenders.

Financial Fraud Risk Indicator (FRI)

  • A risk-based metric classifying mobile numbers as Medium, High, or Very High risk for financial fraud.
  • Built using inputs from:
    • National Cybercrime Reporting Portal (I4C).
    • DoT’s Chakshu platform.
    • Banks, financial institutions, and telecom service providers.
  • Enables banks, NBFCs, and UPI providers to take enhanced customer protection measures.

Digital Intelligence Platform (DIP)

  • A secure information-sharing platform developed by DoT.
  • Connects over 1050 organizations, including:
    • Security agencies, State/UT police, I4C.
    • Banks, TSPs, social media platforms.
    • Government bodies like UIDAI, CBDT, GSTN, PFMS, etc.
  • Facilitates real-time intelligence sharing to curb telecom misuse.

Overall Significance

  • The initiative demonstrates a technology-driven, intelligence-led, and citizen-powered approach to cyber fraud prevention.
  • Highlights the importance of inter-agency coordination, proactive policy, and public participation.
  • Strengthens trust and security in India’s rapidly expanding digital payments and telecom ecosystem.

‘Anjadip’ – Anti-Submarine Warfare Shallow Water Craft

  • Event & Significance
    • ‘Anjadip’, the third of eight Anti-Submarine Warfare Shallow Water Craft (ASW SWC), was delivered to the Indian Navy on 22 December 2025 at Chennai.
    • It marks another key milestone in India’s push for indigenous naval shipbuilding.
  • Design & Construction
    • The ship has been indigenously designed and built by Garden Reach Shipbuilders and Engineers (GRSE), Kolkata.
    • Constructed under a Public-Private Partnership (PPP) between GRSE and L&T Shipyard, Kattupalli, highlighting successful collaborative defence manufacturing.
    • Built in accordance with the Classification Rules of the Indian Register of Shipping (IRS).
  • Technical Features
    • Approximately 77 metres in length.
    • Among the largest Indian naval warships propelled by waterjets, enhancing maneuverability in shallow waters.
    • Equipped with:
      • Lightweight Torpedoes
      • Indigenously developed Anti-Submarine Rockets
      • Shallow-water SONAR
    • Designed for effective detection and engagement of underwater threats.
  • Operational Capabilities
    • Strengthens the Navy’s:
      • Anti-submarine warfare (ASW) capability
      • Coastal surveillance
      • Mine-laying operations
    • Particularly suited for operations in littoral and shallow-water environments.
  • Legacy & Naming
    • The ship is a reincarnation of the erstwhile INS Anjadip, a Petya-class Corvette decommissioned in 2003.
    • Named after Anjadip Island, located off the coast of Karwar, Karnataka.
    • The name symbolizes India’s commitment to protecting its maritime interests and coastal security.
  • Indigenisation & Aatmanirbhar Bharat
    • Features over 80% indigenous content, aligning with the Government’s vision of ‘Aatmanirbhar Bharat’.
    • Demonstrates the maturity and growth of India’s domestic defence manufacturing ecosystem.
    • Contributes to reducing dependence on defence imports.
  • Overall Importance
    • Reinforces India’s strategic focus on self-reliance, maritime security, and coastal defence.
    • Reflects the Indian Navy’s sustained efforts toward modernization through indigenous platforms.

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