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Current Affairs Explained
GS3

Mains General Studies Paper III

Every topic of the Mains General Studies Paper III 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 · 211 analyses in this paper

GS3 syllabus, topic by topic

Latest GS3 analyses

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Economy
GS3
08/09/2025

GST Duty Inversion Relief in India: Input-Output Tax Gaps Persist as Industry Concern Amid Reforms

Why in News

The 56th GST Council meeting has introduced significant rate reductions on inputs in key sectors like textiles and fertilizers, easing the inverted duty structure where input taxes exceed output taxes. However, persistent wide gaps between these rates continue to raise concerns among industries, primarily due to delays in input tax credit refunds and resulting working capital blockages, prompting calls for faster processing mechanisms.

GST Reforms 2025Inverted Duty StructureInput Tax Credit Refunds+3
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Defence & Armed Forces
GS3
06/09/2025

India Successfully Test-Fires Agni-5 Missile, Strengthens Strategic Deterrence

Why in News

On August 20, 2025, India conducted a successful test-firing of its nuclear-capable Agni-5 intermediate-range ballistic missile (IRBM) from the Abdul Kalam Island off the Odisha coast. The test was carried out by the Strategic Forces Command (SFC) and validated all key operational and technical parameters, reinforcing India's long-range strike capabilities.

Agni-5 MissileIndia’s Strategic DeterrenceNuclear Policy+1
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History
GS1
31/08/2025

Harappan Civilization: New Archaeological Discoveries

Why in News

Recent archaeological excavations have revealed a remarkably well-preserved Harappan civilization settlement, providing new insights into their urban planning and technological capabilities. 123

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Science & Tech
GS3
23/08/2025

India Observes National Space Day on August 23, 2025

Why in News

India is observing its second National Space Day on August 23, 2025, commemorating the successful soft landing of Chandrayaan-3 on the Moon’s south pole in 2023. The day highlights India’s transformation into a global space power and ISRO’s expanding ambitions in space exploration.

National Space DayChandrayaan-3ISRO+2
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Economy
GS3
20/08/2025

India Unveils New GST Reforms to Boost Consumption and Growth

Why in News

Prime Minister Narendra Modi has introduced sweeping GST reforms aimed at stimulating domestic consumption and economic resilience amid escalating global trade tensions and looming U.S. tariffs. The changes involve streamlining the tax structure, providing immediate relief to consumers and MSMEs, and potentially repositioning India’s growth trajectory.

GST reformDomestic ConsumptionEconomic Growth
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Environment
GS3
20/08/2025

Sundarbans to Become India’s Second-Largest Tiger Reserve

Why in News

The Union government has approved the expansion of the Sundarbans Tiger Reserve in West Bengal by 1,044 sq km, making it the second-largest tiger reserve in India after the Nagarjunasagar-Srisailam Tiger Reserve.

Sundarbans Tiger ReserveWildlife ConservationNagarjunasagar-Srisailam Tiger Reserve
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International
GS2
05/08/2025

India-Middle East-Europe Economic Corridor: Strategic Implications

Why in News

India announced significant progress in the IMEC project during recent diplomatic meetings, with multiple countries committing to infrastructure investments. The corridor is seen as a strategic response to China's Belt and Road Initiative and aims to reduce dependence on traditional shipping routes.