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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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International
GS2
31/10/2025

US Extends Sanctions Waiver for Chabahar Port by Six Months: Strengthening India's Strategic Gateway to Afghanistan and Central Asia

Why in News

In a key diplomatic development, the United States has granted India a six-month exemption from sanctions on Iran's Chabahar port, effective from October 29, 2025. This comes after the US revoked a previous waiver in September 2025, which had raised concerns over India's ongoing development and operations at the port. The extension allows India to continue its work without facing penalties under US laws targeting Iran, ensuring uninterrupted access for humanitarian aid and trade to landlocked Afghanistan and Central Asian countries, amid shifting regional dynamics post the Taliban takeover in 2021.

Chabahar Port DevelopmentUS-Iran Sanctions WaiverIndia-Afghanistan Trade Routes+1
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Defence & Armed Forces
GS3
31/10/2025

US Ends 33-Year Nuclear Test Ban Under Trump: Risks to Global Arms Control and India's Defence Calculus

Why in News

US President Donald Trump has directed the Pentagon to resume nuclear weapons testing after a 33-year pause, the first since 1992, citing alleged tests by rivals like Russia and China. This order, issued during a meeting with Chinese Premier Xi Jinping, aims to restore parity but has prompted the Kremlin to vow reciprocal action, heightening fears of a renewed arms race. The move challenges the Comprehensive Nuclear-Test-Ban Treaty (CTBT) norm and could reshape international non-proliferation efforts, with direct bearings on India's no-first-use policy and regional security dynamics.

US Nuclear Testing PolicyRussia-China ReactionsCTBT Implications+1
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International
GS2
31/10/2025

US-China Edge Closer to Stability: Tariff Relief on Fentanyl and Rare Earth Export Pact Emerge from Busan Talks

Why in News

On October 30, 2025, during the APEC summit in Busan, South Korea, US President Donald Trump and Chinese President Xi Jinping held a nearly two-hour bilateral meeting at Gimhae International Airport. This face-to-face discussion, the first since Trump's second term began, resulted in immediate announcements of trade concessions. Trump declared the talks a "roaring success," revealing a one-year agreement on rare earth mineral exports and a cut in US tariffs linked to China's role in the fentanyl crisis from 20% to 10%. These steps aim to pause escalating trade frictions that have disrupted global markets, with China agreeing to suspend its recent export controls on critical minerals. The developments are significant now as they prevent further supply chain breakdowns amid ongoing US-China economic rivalry, offering short-term relief while signaling potential for broader deals.

US-China trade relationsfentanyl tariffs reductionrare earth minerals supply+2
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International
GS2
30/10/2025

Trump-Xi Busan Handshake: US-China Trade Truce on Rare Earths and TikTok Deal Eases Global Tariff Tensions

Why in News

US President Donald Trump and Chinese President Xi Jinping met for about 90 minutes on October 30, 2025, in Busan, South Korea, on the sidelines of the Asia-Pacific Economic Cooperation (APEC) summit, marking their first face-to-face talks since Trump's re-election. The meeting culminated in a one-year trade truce, including tariff reductions on rare earth minerals critical for tech and defense, and a near-finalized deal placing TikTok under US ownership. This de-escalation comes amid heightened US-China frictions over technology and supply chains, with Trump describing the talks as "amazing" and rating them a "12 out of 10," signaling potential relief for global markets strained by ongoing tariff wars.

US-China trade relationsAPEC summit 2025rare earth minerals tariffs+2
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Economy
GS3
30/10/2025

RBI's Push for Same-Day Crediting of Inward Remittances: A Step Towards Faster Cross-Border Payment Flows

Why in News

The Reserve Bank of India (RBI) has proposed new guidelines in a draft circular to speed up the crediting of cross-border inward remittances, mandating same-day credits for payments received during foreign exchange market hours. This initiative addresses delays in fund transfers that currently affect millions of recipients, including Non-Resident Indians (NRIs) and businesses, and aligns with broader efforts to modernize India's payment systems amid record-high remittances of $135.46 billion in FY25.

RBI regulationscross-border paymentsinward remittances+2
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Economy
GS3
30/10/2025

India-EU Trade Deal Advances Rapidly: Goyal Flags 10 Chapters Closed as Alternative to US Tariff Pressures

Why in News

Commerce and Industry Minister Piyush Goyal announced substantial headway in India-EU Free Trade Agreement (FTA) talks following his three-day visit to Brussels from October 26-28, 2025, stating that 10 out of 20 chapters have been finalized and 4-5 more broadly agreed upon. This comes amid a 12% dip in India's September 2025 exports to the US due to steep tariffs imposed by President Donald Trump, underscoring the urgency to secure stable markets like the EU, where India's merchandise exports reached $82 billion in FY25—nearly matching the $86.5 billion to the US. Both sides reaffirmed a commitment to conclude the deal by year-end 2025, aligning with directives from PM Narendra Modi and EU Commission President Ursula von der Leyen.

India-EU Free Trade Agreementtrade negotiations progressexport diversification+2
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International
GS2
30/10/2025

India and China Strengthen Border Calm: Key Military Talks Signal Path to De-Escalation After Ladakh Disengagements

Why in News

In a significant step towards easing tensions along the Line of Actual Control (LAC), India and China held their 23rd round of Corps Commander-level talks on October 25, 2024, at the Chushul-Moldo meeting point. This was the first high-level military dialogue since recent disengagement agreements at the last friction points in Depsang and Demchok, completed just days earlier on October 30. Both sides committed to maintaining peace and using existing mechanisms to resolve ground issues, amid ongoing efforts to restore pre-2020 patrolling norms and reduce the trust deficit built over four years of standoff.

India-China border relationsLine of Actual Control (LAC)Corps Commander-level meetings+2
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Defence & Armed Forces
GS3
28/10/2025

Delhi HC Delves into AFT's Limits: Transwoman's Battle Against Navy Firing Sparks Debate on Tribunal's Constitutional Reach

Why in News

The Delhi High Court, in a significant October 17 order, asked the Ministry of Defence (MoD) to clarify if the Armed Forces Tribunal (AFT) can decide the constitutional validity of laws beyond its own enabling Act, amid a transwoman's ongoing challenge to her 2017 dismissal from the Indian Navy. This development, referred to a three-judge bench, highlights tensions between military discipline, transgender rights, and judicial oversight, especially as the case could set precedents for gender transition policies in the armed forces.

Transgender rights in armed forcesArmed Forces Tribunal powersNavy Act Section 9+3
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Environment
GS3
28/10/2025

Himachal Floods' Floating Logs: Nature's Uproot, Not Illegal Cut, State Assures Supreme Court

Why in News

The Himachal Pradesh government filed an affidavit with the Supreme Court on October 27, 2025, clarifying that logs seen floating in viral flood videos from Ravi and Beas rivers were uprooted trees from cloudbursts and landslides, not illegal felling. This addresses the court's September suo motu notice after August floods killed 320 people, amid rising fears of deforestation in the sensitive Himalayan belt, where climate change is making such events deadlier and more frequent.

Himachal Pradesh floodsillegal logging allegationsSupreme Court affidavit+4
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International
GS2
27/10/2025

East Timor's ASEAN Accession: Enhancing Regional Stability and Economic Opportunities in Southeast Asia

Why in News

East Timor, also known as Timor-Leste, officially became the 11th member of the Association of Southeast Asian Nations (ASEAN) on October 26, 2025, during the 47th ASEAN Summit in Kuala Lumpur, Malaysia. The accession was marked by the signing of the Declaration of Accession by East Timor's Prime Minister Xanana Gusmao and President Jose Ramos-Horta, alongside Malaysian Prime Minister Anwar Ibrahim and China's Premier Li Qiang. This historic step, the bloc's first expansion since Cambodia joined in 1999, fulfills East Timor's long-standing bid initiated in 2011 and underscores ASEAN's growing inclusivity amid geopolitical shifts in the Indo-Pacific region.

ASEAN ExpansionEast Timor MembershipRegional Economic Partnership+2
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Economy
GS3
27/10/2025

India Welcomes Global Campuses: How Foreign Universities Are Boosting Access to Quality Higher Education

Why in News

The University Grants Commission (UGC) has approved 17 foreign universities to establish campuses in India, including nine from the UK announced during PM Modi's visit to the UK in October 2025. These include institutions like the University of Southampton in Gurugram and the University of York, focusing on cities like Mumbai, NCR, Chennai, and Bengaluru. This surge aligns with the National Education Policy (NEP) 2020's push for internationalization, aiming to reduce outbound student mobility costs (currently $13.6 lakh per student for UG in the UK) and attract global talent amid rising global competition in higher education.

Foreign Universities in IndiaUGC RegulationsNEP 2020+2
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Science & Tech
GS3
27/10/2025

Google DeepMind's AI Breakthrough: Generating Novel Hypotheses to Make Cancer Cells Visible to the Immune System

Why in News

Google DeepMind, in collaboration with Yale University, has unveiled the C2S-Scale 27B AI model, which generated a completely new scientific hypothesis about how certain drugs can make "cold" cancer tumors more detectable by the immune system. This hypothesis was tested and confirmed through lab experiments on living human cancer cells, marking the first time an AI has proposed and validated a novel biological idea in this way. The discovery, announced on October 16, 2025, and detailed in a bioRxiv preprint, highlights AI's potential to speed up cancer drug research by simulating thousands of possibilities virtually before lab work.

Google DeepMind AI ModelC2S-Scale 27BCancer Immunotherapy+2