ATLAS: Exploring Civilian Nuclear Power at Sea

GS Paper III – Science & Technology | Environment

Why in News?

India has joined the IAEA-led ATLAS initiative, which examines the peaceful use of nuclear technologies in maritime applications, including the potential use of Small Modular Reactors (SMRs).

What is ATLAS?

• ATLAS = Atomic Technologies Licensed for Applications at Sea
• It is an initiative focused on exploring the safe, secure and peaceful deployment of nuclear technologies in maritime settings.

Aim

To examine the potential use of nuclear technology, including SMRs, for:

• Civilian shipping
• Floating nuclear power applications
• Other peaceful maritime energy needs

Why Nuclear Power at Sea?

• Nuclear reactors can provide long-duration energy without frequent refuelling.
• They could potentially provide a low-carbon energy source for maritime applications.
• Nuclear-powered systems may reduce dependence on fossil fuels in shipping.

IAEA

• IAEA stands for International Atomic Energy Agency.
• It was established in 1957 and is headquartered in Vienna, Austria.
• It promotes the safe, secure and peaceful use of nuclear energy.
• It implements nuclear safeguards to verify that nuclear material is not diverted for nuclear weapons.
• It supports nuclear applications in health, agriculture, industry and energy.
• India has been a member of the IAEA since 1957.
• The IAEA works within the UN system, but it is an autonomous international organisation.

Significance

• Maritime Decarbonisation: Nuclear propulsion could potentially reduce the carbon intensity of long-duration maritime operations.
• Energy Security: Nuclear power can provide a reliable energy source with high energy density.
• Innovation: Creates opportunities for integrating SMRs with maritime infrastructure.
• Climate Goals: Could complement other clean-energy pathways for difficult-to-decarbonise sectors such as shipping.

Challenges

• Nuclear Safety: Accidents at sea can have serious environmental and transboundary consequences.
• Security: Nuclear material and reactors require stringent physical protection.
• Waste Management: Safe handling and disposal of radioactive waste remain important concerns.
• Liability: Clear international rules are needed for accidents involving nuclear-powered vessels.
• Port Infrastructure: Ports would require appropriate regulatory, emergency-response and safety arrangements.

Way Forward

• Strengthen Safety Standards: Continue robust nuclear safety regulation through the Atomic Energy Regulatory Board (AERB) and its safety codes, standards and guidelines.
• Nuclear Liability Framework: Strengthen the liability regime through the Civil Liability for Nuclear Damage Act, 2010, which provides a no-fault compensation framework.
• Emergency Preparedness: Enhance nuclear emergency response through CMG-DAE, emergency control rooms and the network of Radiological Emergency Response Centres (RERCs).

Dark Fleet: Shadow Shipping and Sanctions Evasion

GS Paper II – International Relations | GS Paper III – Internal Security & Maritime Security

What is a Dark Fleet?

•  A dark fleet refers to a network of vessels that use deceptive or concealment practices to hide the origin, ownership, destination or movement of cargo.
• It is particularly associated with attempts to evade sanctions, restrictions or regulatory scrutiny.

Common Methods

• AIS Disabling: Ships switch off or manipulate their Automatic Identification System (AIS) signals.
• GPS Manipulation/Spoofing: False location information may be transmitted to obscure the vessel''s actual position.
• Ship-to-Ship Transfers: Cargo is transferred between vessels, making its origin or destination harder to trace.
• Complex Ownership Structures: Multiple companies and jurisdictions can be used to obscure the beneficial ownership of vessels.

GaN MMIC: Indigenous High-Frequency Defence Electronics

GS Paper III – Science & Technology | Defence Technology

Why in News?

The DRDO has demonstrated indigenous GaN MMIC technology, strengthening India''s capabilities in high-frequency wireless, microwave and defence-electronics applications.

What is GaN MMIC?

• GaN MMIC = Gallium Nitride Monolithic Microwave Integrated Circuit
• It is a semiconductor-based integrated circuit designed to generate, amplify or process high-frequency microwave signals.
• Monolithic means the circuit''s components are integrated on a single semiconductor substrate.
• It is particularly useful where high power and high-frequency operation are required.

Why Gallium Nitride (GaN)?

• Compared with conventional silicon-based technologies, GaN offers:
• Wide Band Gap: Allows operation at higher temperatures and voltages.
• High Power Handling: Can deliver high power at high frequencies.
• Better Thermal Performance: Suitable for demanding defence environments.
• High-Frequency Capability: Enables efficient operation in microwave and millimetre-wave applications.

Applications

• Radar: High-power transmission and signal amplification.
• Electronic Warfare: Detection, jamming and electronic countermeasures.
• Communication Systems: High-frequency and high-power communication.
• Aerospace & Defence Electronics: Compact and high-performance electronic systems.

Gyrotron: High-Power Microwave Source for Fusion Research

GS Paper III – Science & Technology | Nuclear & Fusion Technology

Why in News?

An advanced 82.6 GHz, 400-kW gyrotron was integrated with India''s Steady State Superconducting Tokamak (SST-1) for advanced plasma-heating experiments.

What is a Gyrotron?

• A gyrotron is a specialised vacuum electronic device that generates high-power electromagnetic radiation at microwave frequencies.
• It is particularly useful for delivering large amounts of microwave energy to plasma in fusion research.

ECRH = Electron Cyclotron Resonance Heating

• High-frequency electromagnetic waves are directed into the plasma.
• The waves interact with electrons moving in the magnetic field.
• This transfers energy to the electrons and heats the plasma to extremely high temperatures.
• Maintaining extremely hot plasma is essential for achieving conditions required for nuclear fusion.

Kishau Multipurpose Project: Strategic Storage for the Upper Yamuna Basin

GS Paper I – Geography | GS Paper III – Infrastructure & Water Resources

Why in News?

Six stakeholders — Himachal Pradesh, Uttarakhand, Uttar Pradesh, Haryana, Rajasthan and Delhi — reached an agreement relating to the Kishau Multipurpose Project, a long-pending storage project in the Upper Yamuna basin.

Key Facts

• River: Tons
• Tons: Major tributary of the Yamuna
• Location: Himachal Pradesh–Uttarakhand region
• Dam: 232.6-metre concrete gravity dam
• Installed capacity: 422 MW
• Host States: Himachal Pradesh and Uttarakhand
• Beneficiary States/UT: Uttar Pradesh, Haryana, Rajasthan and Delhi

Upper Yamuna Agreement, 1994

• Signed: 1994
• Purpose: Sharing of the utilisable surface waters of the Yamuna among the Upper Yamuna basin states.
• Concerned States: Himachal Pradesh, Haryana, Uttar Pradesh, Rajasthan and Delhi.
• Scope: Yamuna waters up to the Okhla Barrage.
• Allocation: The agreement provides for an agreed share of the river water among the participating states.
• Implementing body: Upper Yamuna River Board (UYRB), constituted in 1995 under the Ministry of Jal Shakti.

Three Major Storage Projects

• Kishau – on the Tons River
• Lakhwar – on the Yamuna River
• Renukaji – on the Giri River

Nuakhai: Harvest Festival of Western Odisha

GS Paper I – Art & Culture | Indian Society

Why in News?

Nuakhai, an important agricultural festival of Western Odisha, is observed to celebrate the new harvest and express gratitude for agricultural prosperity.

Key Facts

• Region: Mainly Western Odisha.
• Also observed in parts of neighbouring Chhattisgarh and Jharkhand.
• Nua → New
• Khai → Food / Eating
• Thus, Nuakhai broadly refers to eating the new harvest.
• Associated with the first consumption of newly harvested crops.
• Reflects the close relationship between agriculture, nature and community life.

Cultural Significance

• Agricultural Prosperity: Celebrates the arrival of the new crop.
• Gratitude to Nature: Farmers express gratitude for nature''s contribution to agricultural production.
• Family Bonding: Families come together and share the new harvest
• Community Harmony: Strengthens social relationships and collective identity in Western Odisha.
• Cultural Heritage: Reflects the importance of agrarian traditions in regional culture.

Personal Guarantors under IBC: Strengthening Accountability and Creditor Protection

GS Paper III – Economy | Insolvency & Bankruptcy

Why in News?

The Insolvency and Bankruptcy Board of India (IBBI) has proposed stronger safeguards for insolvency proceedings involving personal guarantors of corporate debtors, with the objective of improving recovery and preventing misuse of the insolvency process.

Who is a Personal Guarantor?

A personal guarantor is an individual who undertakes to repay the debt of a corporate debtor if the corporate debtor fails to meet its obligations.

Legal Position

• Section 128 of the Indian Contract Act, 1872: The liability of a surety is generally co-extensive with that of the principal debtor, unless the contract provides otherwise.
• Lalit Kumar Jain v. Union of India (2021): The Supreme Court held that approval of a resolution plan for the corporate debtor does not automatically discharge the personal guarantor from liability.

Key Challenges

• Conflict of Interest: Potential influence of interested parties in creditor decision-making.
• Asset Valuation: Risk of inaccurate or inadequate valuation of guarantors'' assets.
• Asset Diversion: Possibility of assets being transferred to frustrate recovery.
• Non-Cooperation: Guarantors may fail to provide necessary information or cooperate with proceedings.
• Parallel Proceedings: Multiple legal proceedings can delay resolution and recovery.
• Low Recovery: Repayment plans may result in limited recovery for creditors.

Proposed Reforms

• Transaction Scrutiny: Greater examination of suspicious or potentially avoidable transactions.
• Independent Valuation: More robust and independent assessment of assets.
• Related-Party Restrictions: Preventing conflicted parties from improperly influencing creditor decisions.
• Reasoned Decisions: Recording the rationale behind important decisions taken by creditors.

Insolvency and Bankruptcy Code (IBC), 2016

Key Facts

• Enacted: 2016
• Objective: Provide a time-bound framework for insolvency resolution.
• Regulator: Insolvency and Bankruptcy Board of India (IBBI).
• Corporate Adjudicating Authority: National Company Law Tribunal (NCLT).
• Individual/Partnership Cases: Debt Recovery Tribunal (DRT), as provided under the Code.
• Committee of Creditors (CoC): Primarily comprises financial creditors.
• Resolution Professional (RP): Conducts and manages the insolvency resolution process.

Corporate Insolvency Resolution Process (CIRP)

• Default: Company fails to repay its debt.
• NCLT: Admits the insolvency case and initiates CIRP.
• IRP/RP: Manages the insolvency resolution process.
• CoC: Financial creditors evaluate and approve a resolution plan.
• NCLT Approval: Tribunal approves the plan after checking legal requirements.
• Revival: Company continues operations under the approved plan.

Significance

• Time-bound Resolution: Seeks to reduce delays in insolvency proceedings.
• Credit Discipline: Strengthens repayment discipline among borrowers.
• Asset Value Maximisation: Focuses on preserving the value of stressed assets.
• Financial Stability: Helps address stressed loans and improve the functioning of the credit market.

Refugee Convention at 75: Balancing Refugee Protection and State Sovereignty

GS Paper II – International Relations | Human Rights

Why in News?

The 1951 Refugee Convention completed 75 years, renewing international discussion on refugee protection and the responsibilities of states towards displaced persons.

Aim

The Convention establishes international standards relating to:

• Definition of a refugee
• Protection of refugees
• Rights and assistance
• Treatment of displaced persons

Core Principle – Non-Refoulement

Non-refoulement means that a refugee should not be returned to a country or territory where they face serious threats to their life or freedom.

1967 Protocol

• The original 1951 Convention contained geographical and temporal limitations, reflecting its post-World War II context.
• The 1967 Protocol removed these limitations.
• This expanded the Convention''s applicability to refugee situations beyond post-war Europe.

India’s Position

• India is not a party to the 1951 Refugee Convention or the 1967 Protocol.

India''s approach to refugees is instead shaped by:

• Domestic laws
• Executive policies
• Constitutional protections
• International obligations
• Diplomatic and national-security considerations

Ring-Tailed Lemur: Madagascar’s Endemic Primate

GS Paper III – Environment

Key Facts

• Scientific Name: Lemur catta
• Distribution: Endemic to Madagascar.
• Habitat: Mainly found in dry forests, scrublands and seasonally dry habitats.
• Diet: Omnivorous — consumes fruits, leaves, flowers, insects and other food items.
• Social Behaviour: Lives in social groups with a female-dominated social structure.
• Distinctive Feature: Long black-and-white ringed tail, which is not used for grasping branches.
• IUCN Red List: Endangered (EN)
• CITES: Appendix I

Samvatsari

Why in News?

Samvatsari was observed on 15 September 2026 as the concluding day of Paryushana for Shwetambara Jains.

• Religion: Jainism
• Meaning: Day dedicated to forgiveness and self-purification.
• Tradition: Mainly associated with the Shwetambara Jain tradition.
• Festival: Last day of Paryushana for Shwetambaras.
• Key practice: Kshama Yachna – seeking forgiveness.
• Phrase: Micchami Dukkadam – expression of seeking forgiveness.
• Core value: Ahimsa (non-violence).
• Other values: Repentance, self-reflection, spiritual purification and forgiveness.
• Important distinction: Paryushana is the broader period of religious observance; Samvatsari is its concluding day in the Shwetambara tradition.
• Digambara tradition: The corresponding major festival is Paryushana/Dashalakshan Parva, with Kshamavani associated with forgiveness.

Saratchandra Chattopadhyay: Literature as a Voice for Social Reform

GS Paper I – Indian Society / Art & Culture

Why in News?

The 150th birth anniversary of Saratchandra Chattopadhyay (1876–1938) was observed in September 2026.

Key Facts

• Born: 15 September 1876
• Birthplace: Debanandapur, Bengal Presidency
• Language: Bengali
• Profession: Novelist and short-story writer
• Known for social realism and his portrayal of marginalised sections of society.
• His writings explored: Women’s status, Widowhood, Child marriage, Patriarchy, Poverty, Social inequality

Important Works – Saratchandra Chattopadhyay

• Devdas – Tragic love story highlighting social conventions, family expectations and emotional conflict.
• Srikanta – A four-part novel following the travels and experiences of its protagonist, exploring society, relationships and human values.
• Parineeta – A story of love, marriage and social conventions, particularly within the Bengali middle-class society.
• Charitraheen – Examines gender, morality and social hypocrisy, especially the harsh judgement faced by women.
• Pather Dabi – A revolutionary nationalist novel depicting anti-colonial resistance; it was banned by the British colonial government.
• Sesh Prashna – A philosophical and social novel questioning conventional ideas about marriage, love, morality and women’s independence.

VIMARSH 2026: From Defence Procurement to Defence Co-Creation

GS Paper III – Science & Technology / Defence Technology

Why in News?

The Ministry of Defence organised VIMARSH 2026, a DRDO–industry synergy platform to strengthen collaboration among DRDO, industries, MSMEs, start-ups and academia.

Key Features

• MSME & Start-up Support: Greater opportunities for smaller firms to participate in defence innovation.
• Testing Facilities: Improved access to DRDO testing and validation infrastructure.
• Technology Transfer: DRDO technologies can be transferred through Licensing Agreements for Transfer of Technology (LAToTs).
• Software Access: Secure sharing of selected DRDO software source codes to facilitate innovation.
• Emerging Technologies: Focus on Artificial Intelligence, quantum technologies, hypersonics and directed-energy technologies.
• SAMAR 2.0: Framework for assessing the manufacturing maturity of defence technologies.

Weaponisation of Space: From Space Support to Space Security

GS Paper III – Science & Technology | Space Technology | Security

Why in News?

The United States has publicly acknowledged deployment of offensive space-control capabilities, highlighting the growing militarisation and potential weaponisation of Earth''s orbital environment.

Militarisation vs Weaponisation

• Militarisation: Use of space assets for communication, navigation, surveillance, reconnaissance and military support.
• Weaponisation : Development or deployment of systems intended to damage, disrupt or disable space assets or targets.

Major Counter-Space Technologies

• Anti-Satellite systems: Designed to disable or destroy satellites.
• Co-orbital systems: Spacecraft capable of approaching another satellite.
• Electronic warfare: Jamming or interference with communications.
• Directed-energy systems: Can interfere with satellite sensors.
• Cyber capabilities: Can target satellite ground segments and networks.

Existing Legal Framework

Outer Space Treaty, 1967

• Prohibits placing nuclear weapons and other WMDs in orbit.
• Prohibits military activities on celestial bodies.
• However, it does not comprehensively prohibit conventional counter-space systems.

UN Charter (1945): Provides the broader legal framework for peaceful international relations and prohibits the threat or use of force, relevant to activities in outer space.

Partial Test Ban Treaty (PTBT), 1963: Prohibits nuclear weapon tests in the atmosphere, outer space and underwater. Underground nuclear tests are not prohibited by the treaty.

Moon Agreement, 1979: Governs activities of States on the Moon and other celestial bodies; treats their resources as the common heritage of mankind and provides for their peaceful use.

Significance for India

• Satellite Dependence: India relies on satellites for communication, navigation, weather forecasting, agriculture and disaster management.
• National Security: Space assets support military communication, surveillance, reconnaissance and navigation.
• Space Situational Awareness (SSA): India needs stronger SSA to track satellites, space debris and potential threats in orbit.
• Strategic Autonomy: Developing indigenous space capabilities reduces dependence on foreign space infrastructure and strengthens India’s strategic autonomy.

Challenges

• Orbital debris: Destructive satellite attacks can generate long-lived debris.
• Kessler Syndrome: Cascading collisions could make certain orbital regions increasingly difficult to use.
• Escalation: A space attack may trigger wider military confrontation.
• Civilian impact: Civilian services depend heavily on dual-use space infrastructure.
• Legal gap: Existing treaties do not comprehensively regulate modern counter-space technologies.

Way Forward

• Develop stronger international norms against debris-generating activities.
• Strengthen Space Situational Awareness and space traffic management.
• Increase satellite redundancy and distributed constellations.
• Improve protection against cyber and electronic interference.
• Strengthen international dialogue on responsible behaviour in outer space.

World Ozone Day: Montreal Protocol and the Recovery of the Ozone Layer

GS Paper III – Environment

Why in News?

World Ozone Day is observed every year on 16 September to commemorate the signing of the Montreal Protocol, 1987, on substances that deplete the ozone layer.

Key Facts

• Ozone Layer: Mainly present in the stratosphere, approximately 15–35 km above Earth''s surface.
• Function: Absorbs a large part of harmful ultraviolet (UV) radiation, particularly UV-B, protecting living organisms.
• Ozone Depletion: Mainly associated with chlorofluorocarbons (CFCs) and other ozone-depleting substances.