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Current Affairs Explained
GS2

Mains General Studies Paper II

Every topic of the Mains General Studies Paper II syllabus, in the order UPSC publishes it. Each topic links to the current affairs and analysis mapped to that exact syllabus term — so you can revise one bullet of the syllabus at a time instead of hunting through dated round-ups.

20 syllabus topics · 18 with published coverage · 196 analyses in this paper

GS2 syllabus, topic by topic

Latest GS2 analyses

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Environment
GS3
08/10/2025

India's Small Modular Reactor Ambitions Accelerated by Private Sector Engagement and Regulatory Reforms

Why in News

The Indian government is advancing its nuclear energy goals by easing restrictions under the Atomic Energy Act, enabling private sector involvement in small modular reactors (SMRs). This development follows expressions of interest from major companies like Reliance Industries and Tata Power, aligning with India's target to scale nuclear capacity from 8 GW to 100 GW by 2047. The move, highlighted in recent policy announcements and budget commitments, addresses clean energy needs for industrial decarbonization and AI-driven data centers, positioning India in the global SMR value chain amid international collaborations with the US and Russia.

Small Modular Reactors DevelopmentPrivate Sector Participation in Nuclear EnergyAtomic Energy Act Amendments+2
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International
GS2
08/10/2025

Why Trump's Proposed International Stabilization Force for Gaza Faces Significant Challenges: Insights from 2025 Peace Plan

Why in News

US President Donald Trump's 20-point Comprehensive Plan to End the Gaza Conflict, released on September 29, 2025, has gained traction with Israeli Prime Minister Benjamin Netanyahu's endorsement and Hamas's conditional acceptance for releasing hostages and ceding governance. Amid indirect talks in Sharm el-Sheikh, Egypt, facilitated by Qatari and Egyptian mediators, the plan proposes an International Stabilization Force (ISF) for Gaza's security and reconstruction. However, discrepancies over Israeli withdrawal, Hamas disarmament, and the force's composition highlight implementation hurdles, drawing global attention as it coincides with the second anniversary of the October 7, 2023, attack that killed nearly 1,200 Israelis and led to over 67,000 Palestinian deaths. This development is crucial for India's interests in West Asian stability, affecting energy security, diaspora welfare, and projects like the India-Middle East-Europe Economic Corridor (IMEC).

Trump Gaza Peace PlanInternational Stabilization Force ChallengesIsrael-Hamas Ceasefire Negotiations+2
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Science & Tech
GS3
08/10/2025

Nobel Prize in Medicine 2025:How Regulatory T Cells Prevent the Immune System from Attacking the Body.

Why in News

The 2025 Nobel Prize in Physiology or Medicine has been awarded to Japanese scientist Shimon Sakaguchi and American scientists Mary E. Brunkow and Frederick J. Ramsdell for their pioneering discoveries on regulatory T cells. These cells act as essential "security guards" in the immune system, ensuring it fights off harmful invaders like viruses and bacteria without mistakenly attacking the body's own healthy cells. This breakthrough, announced by the Nobel Committee, highlights the mechanism of peripheral immune tolerance and opens new pathways for treating autoimmune diseases and enhancing cancer therapies, addressing a long-standing puzzle in immunology.

Nobel Prize in Physiology 2025Regulatory T CellsImmune Tolerance Mechanisms+3
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International
GS2
08/10/2025

UK PM Keir Starmer's India Visit 2025: Enhancing Bilateral Trade, Defence, and Innovation Under Landmark FTA Framework

Why in News

UK Prime Minister Keir Starmer arrived in Mumbai on October 8, 2025, for a two-day official visit, marking his first trip to India since taking office in July 2024. This reciprocal engagement follows Prime Minister Narendra Modi's visit to the UK in July 2025, where the two nations signed the India-UK Free Trade Agreement (FTA) and Comprehensive Economic and Trade Agreement (CETA). Accompanied by a delegation of over 125 business leaders, entrepreneurs, university vice-chancellors, and industry representatives from organizations like Rolls-Royce, British Telecom, Diageo, London Stock Exchange, and British Airways, the visit aims to implement the FTA, boost trade and investments, and deepen cooperation in technology, defence, education, and culture. Starmer and Modi will hold bilateral talks, address the Global Fintech Fest, and review the India-UK Vision 2035 roadmap, emphasizing reliable partnerships amid global uncertainties like US tariffs under President Donald Trump and ongoing geopolitical tensions.

India-UK Free Trade AgreementKeir Starmer Visit to IndiaBilateral Economic Cooperation+3
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International
GS2
21/09/2025

H1B Visa Fee: Employer Payment Rules, Exemptions Uncertainties, and Tech Companies' Urgent Return Directives for Workers

Why in News

US President Donald Trump has signed an executive order adding a $100,000 fee to H1B visa applications, starting from September 21, 2025. This change aims to protect American jobs but has created confusion and worry among Indian professionals, who make up most H1B holders. Tech companies like Microsoft and Meta are telling their employees to return to the US quickly, and the Indian government is highlighting possible family and economic problems.

H1B Visa Fee HikeTrump Immigration PolicyIndian Skilled Workers+2
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International
GS2
21/09/2025

Trump's $100,000 H1B Visa Fee Hike: Challenges for Indian Tech Talent and US Innovation Drive

Why in News

US President Donald Trump has signed a new executive order that adds a $100,000 fee to each new H1B visa application, starting from September 21, 2025. This change aims to protect American jobs by making it more expensive for companies to hire foreign skilled workers. It has raised worries in India because many Indian professionals use H1B visas to work in the US tech industry, and this could affect their job opportunities and family lives right now.

H1B Visa PolicyTrump Immigration ReformsIndian Tech Professionals+2
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International
GS2
20/09/2025

Russia's Proposal to Localise Nuclear Power Plants in India: Strengthening Energy Security and Ties

Why in News

Russia has proposed helping India build and localise both large and small nuclear power plants as part of their ongoing civil nuclear cooperation. This offer was made during a meeting in Vienna on the sidelines of the International Atomic Energy Agency's annual conference, highlighting the growing partnership between the two countries amid India's push for clean and reliable energy sources to meet its growing demands.

Russia-India Nuclear DealLocalisation of Nuclear PlantsKudankulam Project+2
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Polity
GS2
20/09/2025

Understanding Voter Deletions in India: The Aland Incident and How Names Are Removed from Electoral Rolls

Why in News

Congress leader Rahul Gandhi recently raised serious concerns about an attempt to delete over 6,000 voter names from the electoral rolls in Karnataka's Aland Assembly constituency in 2023. He claimed that fake deletion forms were filed online without the voters' knowledge, mostly targeting Congress supporters, and that the Election Commission of India (ECI) has not shared key details with investigators despite multiple requests. This has sparked a debate on the safety of voter lists and how deletions happen, highlighting potential misuse in the system.

Aland Voter DeletionElectoral Rolls Removal ProcessElection Commission of India+3
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International
GS2
20/09/2025

Saudi-Pakistan Defence Pact: Key Details and India's Concerns Explained

Why in News

Saudi Arabia and Pakistan have signed a new defence agreement that treats an attack on one as an attack on both, raising questions about regional security. This pact, agreed upon during Pakistan Prime Minister Shehbaz Sharif's visit to Riyadh, comes at a time of growing tensions in the Middle East due to the Israel-Hamas war and recent strikes. India is closely watching this development because of its strong ties with Saudi Arabia and ongoing issues with Pakistan, leading to statements from Indian officials about protecting national interests.

Saudi-Pakistan Defence AgreementMutual Defence PactNuclear Umbrella+2
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International
GS2
20/09/2025

US, UK, France Impose Technical Hold on Pakistan's Proposal to List Baloch Liberation Army as Global Terrorist at UNSC

Why in News

Pakistan, with support from China, recently submitted a joint proposal to the UN Security Council's 1267 Sanctions Committee to designate the Balochistan Liberation Army (BLA) and its suicide squad, the Majeed Brigade, as terrorist entities. However, the United States, United Kingdom, and France placed a six-month technical hold on this bid, stating there is not enough evidence to link these groups to Al-Qaeda or the Islamic State (ISIL), which is required under the committee's rules. This development comes amid rising tensions in Pakistan's Balochistan province, where the BLA has carried out several attacks, and highlights geopolitical differences in how countries view regional insurgencies versus global terrorism.

UNSC 1267 Sanctions CommitteeBalochistan Liberation ArmyPakistan-China Proposal+3
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International
GS2
19/09/2025

Pakistan-China Proposal to Designate BLA as Terror Entity at UNSC: Why It Was Blocked and What It Means for India

Why in News

Pakistan and China have jointly proposed to the United Nations Security Council to label the Balochistan Liberation Army (BLA) and its suicide wing, the Majeed Brigade, as terrorist groups under the UN's 1267 sanctions list. This move comes amid rising attacks claimed by BLA in Pakistan, but it was blocked by the United States, United Kingdom, and France, who said there was not enough proof connecting these groups to Al-Qaeda or ISIL. This highlights ongoing tensions in how countries define and handle terrorism, especially in South Asia, where India watches closely due to its own security concerns with Pakistan.

Balochistan Liberation ArmyUNSC 1267 Sanctions CommitteePakistan-China Joint Proposal+3
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Sports
GS3
19/09/2025

Sachin Yadav's Impressive Debut: 4th Place with New Personal Best in Javelin Throw at World Athletics Championships 2025

Why in News

Indian javelin thrower Sachin Yadav made a strong debut at the World Athletics Championships 2025 in Tokyo by finishing fourth with a personal best throw of 86.27 meters, coming very close to a medal but missing bronze by just 40 centimeters. This performance stood out as he did better than his role model, defending champion Neeraj Chopra, who finished eighth, highlighting a new chapter for Indian athletes in this event amid tough competition.

Sachin Yadav Javelin PerformanceWorld Athletics Championships 2025Indian Athletics Achievements+2