Daily Current Affairs

October 16, 2025

Current Affairs

Crew Escape System in Gaganyaan Mission

Context: The Indian Space Research Organisation (ISRO) has recently highlighted the functioning of the Crew Escape System (CES) — a critical safety mechanism integral to India’s Gaganyaan Mission, which aims to send Indian astronauts into Low Earth Orbit (LEO) at about 400 km altitude and bring them back safely.

About Gaganyaan Mission

  • Objective: To demonstrate India’s human spaceflight capability by launching a 3-member crew into LEO for up to 3 days.
  • Launch Vehicle: Human-rated LVM3 (HLVM3) rocket.
  • Launch Site: Satish Dhawan Space Centre (SDSC), Sriharikota.
  • Timeline: The first uncrewed test flights are planned before the final crewed mission, expected around 2025–26.
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Crew Escape System (CES): Ensuring Astronaut Safety

The Crew Escape System is a safety abort mechanism designed to protect astronauts in the event of an anomaly during launch or ascent.

Purpose

To rapidly separate the Crew Module (CM) carrying astronauts from a malfunctioning rocket and ensure a safe return to Earth.

Placement

  • Mounted at the forward end of the HLVM3 rocket.
  • Equipped with multiple high-burn-rate solid motors for swift response.

Working Mechanism

  1. Emergency Detection: Sensors detect a malfunction in the launch vehicle.
  2. Separation: The CES activates its solid motors to pull the Crew Module away from the rocket within milliseconds.
  3. Descent Phase: After achieving a safe distance, parachutes deploy for controlled descent.
  4. Recovery: The module splashes down in the sea, where recovery teams retrieve the crew.

Test and Validation

  • A dedicated Test Vehicle powered by a Vikas engine has been developed to validate CES functionality.
  • The TV-D1 (Test Vehicle Demonstration 1) mission successfully demonstrated the abort and recovery sequence, marking a key milestone for Gaganyaan.

Types of Crew Escape Systems

TypeMechanismExample
Puller TypeUses solid motors to pull the Crew Module away from the rocket.Gaganyaan (ISRO)
Pusher TypeUses compact liquid engines to push the module away from the rocket.SpaceX Falcon 9 (Dragon Capsule)

Significance

  • Ensures astronaut safety in the most critical phase of flight.
  • Enhances public confidence in India’s human spaceflight programme.
  • Positions India among nations with advanced crewed launch safety systems, alongside the U.S., Russia, and China.

SAIME Initiative: Sustainable Aquaculture in Mangrove Ecosystems

Context: The Sustainable Aquaculture in Mangrove Ecosystems (SAIME) model from the Sundarbans region of West Bengal has received Global Technical Recognition from the Food and Agriculture Organization (FAO) of the United Nations. This recognition highlights SAIME’s innovative approach to integrating livelihood development with environmental conservation.

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About the SAIME Initiative

The SAIME Initiative is a multi-stakeholder partnership (MSP) designed to strengthen sustainable, climate-resilient aquaculture practices while conserving mangrove ecosystems.

Objectives

  • Promote eco-friendly shrimp aquaculture that supports mangrove restoration.
  • Provide climate-adaptive, conservation-linked livelihoods to coastal communities.
  • Enhance sustainable shrimp trade by linking ecological protection with economic growth.

Implementation

The initiative is jointly implemented by:

  • Global Nature Fund (GNF)
  • Nature Environment and Wildlife Society (NEWS)
  • Naturland (Germany)
  • Bangladesh Environment and Development Society (BEDS)

SAIME follows an ecosystem-based and community-led approach, ensuring that aquaculture development does not come at the cost of mangrove degradation. Instead, it integrates mangrove plantation with aquaculture ponds to restore ecological balance.

Significance

  • Balances livelihood generation with ecosystem conservation, ensuring long-term sustainability.
  • Provides resilience against climate change, particularly in cyclone-prone regions like the Sundarbans.
  • Promotes biodiversity protection, improves carbon sequestration, and reduces coastal erosion.
  • Acts as a replicable model for other coastal regions in South and Southeast Asia facing similar environmental challenges.

About Mangroves

Mangroves are salt-tolerant trees and shrubs that thrive in coastal intertidal zones, especially in tropical and subtropical regions.

Key Characteristics

  • Salt Tolerance: Specialized roots and leaves help manage saline conditions.
  • Aerial Roots (Pneumatophores): Absorb oxygen in waterlogged soils.
  • Prop Roots: Provide anchorage against tides and storm surges.
  • Vivipary: Seeds germinate while still attached to the parent tree, ensuring survival in saline water.
  • Carbon Storage: Among the most carbon-dense ecosystems, aiding climate change mitigation.

Ecological Importance

  • Serve as a natural buffer against cyclones and tidal waves.
  • Act as nursery grounds for fish, crustaceans, and mollusks.
  • Prevent coastal erosion and maintain shoreline stability.
  • Support biodiversity and provide livelihoods for millions of coastal inhabitants.

Conclusion

The SAIME Initiative exemplifies a successful blend of environmental restoration and sustainable livelihood development.

Its recognition by the FAO underscores its potential as a global model for climate-resilient coastal management, integrating economic progress with ecological stewardship.

First IUCN Green Status of Species Assessment for the Tiger

Context: The International Union for Conservation of Nature (IUCN) has released the first-ever Green Status of Species Assessment for the tiger (Panthera tigris), classifying it as “Critically Depleted.”
This assessment highlights that while local conservation efforts have led to recovery in countries like India and Nepal, the global tiger range remains severely reduced — to less than 10% of its historical extent.

The study estimates that with sustained efforts, the global tiger population could rise to over 25,000 individuals within the next century.

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About the IUCN Green Status of Species

  • Launched in 2021, the IUCN Green Status complements the Red List by focusing on recovery progress rather than only extinction risk.
  • It provides a “Green Score” (0–100%) reflecting how close a species is to full recovery across its range.
  • The framework evaluates conservation success, dependence, and future potential, making it an optimistic and forward-looking tool for biodiversity recovery.

Key Aspects of Species Recovery

  1. Range Occupancy: Portion of historical range still occupied.
  2. Population Viability: Whether populations are self-sustaining and not at risk of extinction.
  3. Ecological Functionality: Extent to which species perform their natural ecological roles (e.g., predation, seed dispersal).

Green Status Recovery Categories

CategoryDescription
Extinct in the WildSurvives only in captivity
Critically DepletedPersists in small, fragmented areas; fully dependent on conservation
Largely DepletedLimited or localized recovery
Moderately DepletedPartial recovery; major restoration needed
Slightly DepletedNear full recovery
Fully RecoveredRestored to historic levels and functions naturally
Non-DepletedNever faced major decline
IndeterminateData deficient for classification

Conservation Impact Metrics

  1. Conservation Legacy: Gains from past efforts.
  2. Conservation Dependence: Deterioration risk if protection stops.
  3. Conservation Gain: Recovery expected within 10 years.
  4. Recovery Potential: Likelihood of full recovery in 100 years under optimal conditions.

Criteria for Full Recovery

To be deemed fully recovered, a species must:

  1. Reoccupy its historical range,
  2. Maintain viable and reproducing populations, and
  3. Resume ecological roles in all native ecosystems.

The Tiger’s Current Status

  • IUCN Red List: Endangered
  • Green Status: Critically Depleted
  • Global Range: Native to Asia; now restricted to 13 countries.
  • India’s Role: Supports over 70% of the global population (3,167 tigers) — a cornerstone of Project Tiger’s success.

Significance

  • Shifts conservation focus from preventing extinction to achieving recovery.
  • Recognises India’s pivotal role in global tiger survival.
  • Reinforces global goals under the Kunming-Montreal Global Biodiversity Framework (GBF) — to restore species and ecosystems by 2030.

SC Allows Use of Green Firecrackers in Delhi-NCR

The Supreme Court has eased the earlier blanket ban on firecrackers, permitting the limited sale and use of green firecrackers in Delhi-NCR this Diwali. The decision aims to curb the illegal smuggling of traditional firecrackers while promoting less polluting alternatives.

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About Green Crackers

Green firecrackers are low-emission, eco-friendly fireworks designed to reduce both air and noise pollution compared to conventional firecrackers. They were developed by the CSIR–National Environmental Engineering Research Institute (NEERI) to address pollution spikes during festive seasons.

  • Legal Basis:
    The use of green crackers follows the 2018 SC ruling in Arjun Gopal v. Union of India, which banned traditional firecrackers and permitted only certified green versions.
  • Types of Green Crackers:
    • SWAS (Safe Water Releaser): Emits water vapour to suppress dust and dilute harmful gases (~30% reduction).
    • STAR (Safe Thermite Cracker): Made without potassium nitrate or sulphur, reducing emissions and noise.
    • SAFAL (Safe Minimal Aluminium): Replaces aluminium with magnesium, cutting particulate matter by ~35%.
  • Benefits:
    • Lower particulate and gaseous emissions
    • Noise levels below 125 dB
    • Reduced contribution to smog episodes
  • Concerns:
    • Still emit ultra-fine particulate matter
    • Risk of counterfeit products in the market
    • Limited public awareness and enforcement challenges

About NEERI

The National Environmental Engineering Research Institute (NEERI) is a premier environmental research institute under the Council of Scientific and Industrial Research (CSIR), Ministry of Science & Technology.

  • Founded: 1958 (as CPHERI)
  • Renamed: 1974 as NEERI
  • Headquarters: Nagpur
  • Zonal Labs: Chennai, Delhi, Hyderabad, Kolkata, Mumbai
  • Mandate: R&D in environmental management, pollution control, and sustainable development.

NEERI’s innovations, including green cracker technology, align with India’s broader goals of sustainable celebrations and pollution mitigation.

Judicial Context

The Supreme Court’s recent order does not lift the ban entirely but allows the controlled use of certified green crackers. The Court has also directed state agencies to ensure strict enforcement and curb sale of counterfeit versions.

This move seeks to balance environmental protection with cultural practices, especially during festivals like Diwali, when Delhi-NCR faces severe air quality deterioration.

Way Forward

  • Enhanced public awareness campaigns
  • Strict enforcement against counterfeit products
  • Strengthening certification and supply chains
  • Promoting alternative celebration methods

India–Mongolia Diplomatic Relations

Context: During the recent state visit of Mongolian President Ukhnaagiin Khürelsükh to New Delhi, India and Mongolia signed 10 agreements, marking a new phase in their bilateral and strategic partnership. The visit reaffirmed both countries’ shared commitment to deepen cooperation in energy, defence, culture, and technology.

Key MoUs and Developments

1. Oil Refinery Project: India will finance Mongolia’s first oil refinery through a $1.7 billion Line of Credit extended via EXIM Bank. This is India’s largest overseas development partnership to date and aims to ensure Mongolia’s energy independence from imported crude.

2. Defence Cooperation: India will assist in training Mongolian armed and border security forces, and has appointed a Defence Attaché at its Embassy in Ulaanbaatar — a significant step to enhance strategic engagement and capacity building.

3. Cultural and Spiritual Bonds:

  • India will send a Sanskrit teacher to Gandan Monastery, Mongolia’s premier Buddhist centre.
  • Collaboration will begin to digitise one million ancient Buddhist manuscripts, preserving shared spiritual heritage.
  • The holy relics of Buddha’s disciples – Sariputra and Maudgalyayana – will be sent to Mongolia in 2026, symbolising deep civilisational ties.

4. Regional Collaboration: A new MoU between the Ladakh Hill Development Council and Arkhangai Province will promote cultural, academic, and tourism exchanges, fostering people-to-people connectivity across the Himalayas and the Steppes.

5. Economic and Technological Cooperation: India and Mongolia agreed to explore joint ventures in critical minerals, rare earths, clean energy, and digital technology, aligning with India’s pursuit of resilient supply chains and sustainable growth.

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Background of India–Mongolia Relations

  • Diplomatic Relations Established: 1955
  • Strategic Partnership: 2015
  • Trade Volume (2024): USD 110.8 million
  • Common Link: Shared Buddhist heritage and democratic values
  • Recent Focus Areas: Renewable energy, cyber security, mining, education, and cultural exchanges

India remains Mongolia’s “Third Neighbor”, promoting stability and economic diversification beyond its two geographic neighbours, China and Russia.

Significance

  • Enhances India’s Act East and Indo-Pacific vision.
  • Strengthens energy and resource security for both nations.
  • Reinforces soft power diplomacy through cultural and religious cooperation.
  • Expands defence and regional strategic alignment in Central and East Asia.

Way Forward

Both sides aim to translate these agreements into tangible outcomes by 2030 - particularly in energy, digital innovation, and education, ensuring a mutually beneficial partnership grounded in trust, culture, and development.

Live Cases Dashboard of the Legal Information Management and Briefing System (LIMBS)

About the Live Cases Dashboard

The Live Cases Dashboard is a real-time data visualization platform that provides an instant overview of court cases involving various Ministries, Departments, and Government of India entities.

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Key Features:

  • Displays all cases scheduled for hearing in the next seven days in the Supreme Court, High Courts, and other courts.
  • Offers a visual summary of live cases, pending matters, and upcoming hearings.
  • Enables data-driven decision-making and better inter-ministerial coordination.
  • Helps legal officers and officials track case progress efficiently and plan representation accordingly.

About the Legal Information Management and Briefing System (LIMBS)

LIMBS is a web-based centralized platform for monitoring court cases where the Union of India is a party. It helps streamline legal data management across ministries, ensuring consistency and efficiency in government litigation.

Background & Development:

  • Launched: Initially developed in 2016 for all Ministries, Departments, Autonomous Bodies, and Central Public Sector Undertakings (CPSUs).
  • Upgraded Version: Introduced in January 2020 with advanced analytical features and improved user interface.
  • Nodal Agency: Managed by the Department of Legal Affairs, Ministry of Law and Justice.

Salient Features:

  • Accessibility: Available 24×7 to authorized stakeholders including nodal officers, advocates, arbitrators, and government officials.
  • Comprehensive Monitoring: Enables uploading and tracking of latest case updates, judgments, and documentation.
  • Dashboard-Based Interface: Provides a summary view of each Ministry’s or Department’s legal matters at a glance.
  • Digital Integration: Supports paperless workflows and centralized information sharing, aligning with the Digital India Mission.

Significance

  • Promotes transparency and accountability in government litigation.
  • Reduces duplication of efforts and delays in communication.
  • Enhances the institutional memory of legal cases across departments.
  • Aids in strategic legal management and minimizes financial and administrative burden on the government.

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