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General Studies-III: Technology, Economic Development, Bio diversity, Environment, Security and Disaster Management

Infrastructure: Energy, Ports, Roads, Railways

Infrastructure: Energy, Ports, Roads, Airports, Railways etc.

Articles for this syllabus topic(18)

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Economy
GS3
25/06/2026

Grid India's Gas-Based Power Push: Weak Monsoon, West Asia Conflict & Peak Demand Balancing Explained

Why in News

Grid Controller of India (Grid-India), the national grid operator, has advised gas-based power stations to plan fuel procurement, anticipating the need for extra gas-fired generation in June 2026. The trigger is a combination of below-normal monsoon forecasts and a West Asia conflict that has disrupted natural gas supplies. This article explains what gas-based power is, why it plays an outsized role in evening peak balancing despite a tiny share in the generation mix, how the weak monsoon and Strait of Hormuz disruptions are squeezing fuel availability, and how India prices, trades and allocates natural gas. It also covers Grid-India, the Indian Gas Exchange, India's gas-based economy target and the larger energy security picture.

Gas-Based PowerGrid Controller of IndiaIndian Gas Exchange (IGX)+2
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International
GS3
17/06/2026

Strait of Hormuz Explained: LNG Tanker Disha, the US-Iran Deal and India's Energy Security

Why in News

An Indian liquefied natural gas (LNG) carrier, Disha, has become the first Indian merchant vessel in nearly two months to transit the Strait of Hormuz, following the announcement of a provisional US-Iran ceasefire deal that is expected to reopen the world's most important oil chokepoint. The transit, carrying Qatari LNG for India, has refocused attention on India's deep dependence on West Asian energy and on the vulnerability of a single maritime corridor. This article explains the geography of the Strait of Hormuz, the 2026 West Asia war that triggered its closure, why the chokepoint is critical for India's crude, LNG and LPG supplies, the international law on straits under UNCLOS, India's response through naval and diplomatic action, and the structural options to reduce this dependence.

Strait of HormuzLNG Tanker DishaIndia Energy Security+2
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International
GS2
17/06/2026

US-Iran MoU Explained: Strait of Hormuz Reopening, the 60-Day Deal and India's Energy Security

Why in News

The United States and Iran have reached an initial agreement — a memorandum of understanding (MoU) — to end more than three months of war and reopen the strategic Strait of Hormuz, with formal signing scheduled in Geneva. The deal extends a fragile ceasefire by 60 days, lifts the US naval blockade on Iranian ports, and pushes the harder questions of Iran's nuclear programme and sanctions into a fresh round of talks. This article explains what has been agreed, the geography and global stakes of the Strait of Hormuz, the background of the 2026 Iran war and the JCPOA, and — most importantly for the aspirant — why this distant West Asian deal directly shapes India's energy security, inflation and foreign policy.

Strait of HormuzUS-Iran DealEnergy Security+2
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Environment
GS3
11/06/2026

Human Contribution to Global Warming at Record High: 2025 Climate Study Explained

Why in News

A new Indicators of Global Climate Change study has reported that human-induced global warming reached its highest recorded level in 2025, mainly due to continued greenhouse gas emissions from fossil fuels, industry, land-use change and weakening aerosol cooling. The issue is important for UPSC because it connects climate science, Paris Agreement targets, carbon budgets, energy transition, India’s NDCs, climate justice and disaster-risk planning.

Human-Induced WarmingIndicators of Global Climate ChangeGlobal Carbon Budget+2
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Defence & Armed Forces
GS3
11/06/2026

Zojila Tunnel Breakthrough: All-Weather Kashmir–Ladakh Link & Strategic Significance

Why in News

The Zojila Tunnel, beneath the avalanche-prone Zojila Pass on National Highway-1, achieved its final excavation breakthrough on 9 June 2026 when engineers blasted through the last stretch of rock to link the Kashmir and Ladakh ends. Once operational, this high-altitude tunnel will provide India's first year-round road link between the Kashmir Valley and Ladakh, ending the region's winter isolation. This article explains the project's features, the strategic and defence significance of the route, India's broader Himalayan border-connectivity push, and the engineering and economic dimensions of this landmark.

Zojila TunnelAll-Weather ConnectivityNH-1 Srinagar-Leh+2
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International
GS2
05/04/2026

OPEC+ Agrees to Raise Oil Output by 206,000 Barrels Per Day When Strait of Hormuz Reopens

Why in News

OPEC+ members met virtually on Sunday and agreed to increase their collective oil output quotas by 206,000 barrels per day for the month of May. This is a modest rise on paper, but actual production cannot increase much because of the ongoing US-Israel war with Iran that has completely shut the Strait of Hormuz. The decision comes amid the worst-ever disruption in global oil supply and rising concerns about attacks on energy assets. Crude oil prices have already climbed to a four-year high near $120 per barrel.

OPEC+ Oil QuotasStrait of Hormuz CrisisGlobal Oil Supply Disruption+3
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Economy
GS3
05/04/2026

CERC Delays Stricter Grid Stability Norms for Wind and Solar Generators by One Year

Why in News

The Central Electricity Regulatory Commission (CERC) has given relief to wind and solar power generators by postponing stricter deviation settlement norms by one full year. The new rules, which were to begin on April 1, 2026, will now come into force only from April 1, 2027. This decision comes at a time when renewable energy already accounts for more than 50 per cent of India’s total installed power capacity, making grid balancing more challenging.

CERC RegulationsDeviation Settlement Mechanism DSMRenewable Energy Grid Integration+3
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International
GS2
29/03/2026

Rajnath Singh Chairs First IGoM Meeting on West Asia Conflict: Stresses Medium to Long-Term Strategy and Need to Counter Fake News

Why in News

On March 28, 2026, Defence Minister Rajnath Singh chaired the first meeting of the newly formed Informal Group of Ministers (IGoM) in New Delhi to review the evolving situation in West Asia and its impact on India. The IGoM was set up under the direction of Prime Minister Narendra Modi to monitor the conflict involving Iran, Israel and the US, and to prepare for any challenges. Singh emphasised adopting a medium to long-term preparedness strategy, swift decision-making, and coordinated efforts to counter rumours, misinformation and fake news about the conflict’s effects on India.

West Asia ConflictInformal Group of Ministers (IGoM)Rajnath Singh+4
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Environment
GS3
27/03/2026

India Announces 2035 Climate Targets: 47% Emissions Cut, 60% Non-Fossil Power and Bigger Carbon Sink in Updated NDCs

Why in News

On March 25, 2026, India released its third set of Nationally Determined Contributions (NDCs) under the Paris Agreement, setting fresh climate goals for 2035. The new targets include a 47% reduction in emissions intensity of GDP, 60% share of non-fossil sources in electricity capacity, and creation of an extra 3.5-4 billion tonnes of carbon sink. This update comes at a time when global climate action is slowing due to policy shifts in the United States and lack of enough money from rich countries for climate projects in developing nations.

India's NDC 2035Climate TargetsParis Agreement+5
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Environment
GS3
13/01/2026

India's Coal-Fired Electricity Generation Drops for First Time in 50 Years in 2025 Due to Record Renewable Growth

Why in News

A new study by the Centre for Research on Energy and Clean Air (CREA) revealed that India's coal-fired power generation fell by 3% in 2025 compared to 2024, marking the first year-on-year decline in half a century without pandemic influence. This shift highlights the rapid rise in clean energy sources like solar and wind, which outpaced overall power demand growth, signaling a potential peak in coal use and supporting India's climate goals.

Coal Power DeclineRenewable Energy ExpansionClean Energy Transition+2
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Economy
GS3
09/01/2026

PRAGATI Platform Drives Power Sector Growth: 43 Projects Worth Rs 3 Lakh Crore Completed Under PM's Oversight

Why in News

The Pro-Active Governance and Timely Implementation (PRAGATI) platform has successfully helped commission 43 out of 53 power sector projects reviewed by Prime Minister Narendra Modi, totaling Rs 3.02 lakh crore. This update highlights how regular monitoring has resolved delays in key energy infrastructure, improving India's power availability and supporting national development goals.

PRAGATI PlatformPower Sector DevelopmentPM Modi Infrastructure Review+2
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International
GS2
08/11/2025

PM Modi Bhutan Visit 2025: Hydropower Project Inauguration and Railway Connectivity Boost for Stronger Bilateral Ties

Why in News

Prime Minister Narendra Modi is likely to visit Bhutan next week, coinciding with the 70th birthday celebrations of former King Jigme Singye Wangchuck, to inaugurate the 1,020 MW Punatsangchhu-II Hydropower Project and review progress on two new cross-border railway links, highlighting ongoing efforts to enhance energy security and connectivity between the two nations.

PM Modi Bhutan VisitIndia-Bhutan Bilateral TiesPunatsangchhu-II Hydropower Project+2
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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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Science & Tech
GS3
13/10/2025

India Approves Maitri II: Boosting Sustainable Research in Antarctica's Eastern Wilderness by 2029

Why in News

The Finance Ministry has granted in-principle approval for the construction of Maitri II, India's newest research station in eastern Antarctica, marking a significant step in upgrading the country's polar research infrastructure. This decision, announced on October 4, 2025, comes as the existing Maitri station, operational since 1989, has outlived its original design life and requires replacement to support ongoing scientific expeditions amid growing global interest in Antarctic studies for climate insights and resource exploration.

Maitri II Research StationIndia's Antarctic ProgramPolar Science Advancements+2
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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
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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Environment
GS3
18/09/2025

First Time in Decades: India's Power Sector CO2 Emissions Dip 1% in January-June 2025 Amid Renewable Surge

Why in News

For the first time outside the COVID-19 years, India's power sector saw a 1% drop in CO2 emissions during January to June 2025 compared to the same period in 2024, as per a latest analysis by the Centre for Research on Energy and Clean Air (CREA) for Carbon Brief. This milestone in the sector, which contributes nearly 40% of India's total greenhouse gas emissions, signals a potential early peak in power-related emissions by 2030, supporting the country's push towards 500 GW non-fossil capacity by 2030 and net-zero by 2070. The dip comes amid record renewable additions and milder weather, highlighting progress in India's clean energy transition.

CO2 Emissions DeclineRenewable Energy GrowthIndia's Climate Commitments+3
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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.

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