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[9th January 2026] The Hindu OpED: GSDP share as criterion for central-State transfers

PYQ Relevance [UPSC 2020] Explain the rationale behind the Goods and Services Tax (Compensation to States) Act, 2017. How has COVID-19 impacted the GST compensation fund and created new federal tensions? Linkage: COVID-19 exposed structural weaknesses in the GST compensation mechanism. This intensified Centre-State fiscal tensions and revived debates on fair and transparent transfer mechanisms… Continue reading [9th January 2026] The Hindu OpED: GSDP share as criterion for central-State transfers

ISRO and the next big challenge

Why in the News ISRO’s recent string of successes, routine PSLV launches, Chandrayaan-3’s lunar landing, Aditya-L1’s solar orbit insertion, and the India-US NISAR mission has raised expectations sharply. Now for the first time, India’s challenge is no longer technological proof-of-concept but institutional maturity. Furthermore, India’s space programme is preparing for multiple high-complexity missions in parallel,… Continue reading ISRO and the next big challenge

Despite patchy record, US climate exit will still pinch

Why in the News? The USA formally exited the UNFCCC framework and associated climate institutions following Donald Trump’s return to the presidency, completing a process initiated during his first term. This move reverses post-2021 re-engagement. This creates a quantified emissions gap toward 2030 targets, and transfers leadership space to China. Furthermore, this makes it a… Continue reading Despite patchy record, US climate exit will still pinch

US Withdraws from UNFCCC and IPCC

Why in the News? US President Donald Trump has signed a presidential memorandum withdrawing the United States from 66 international organisations, including the United Nations Framework Convention on Climate Change (UNFCCC) and the Intergovernmental Panel on Climate Change (IPCC). This makes the US the first country to formally exit the UNFCCC. United Nations Framework Convention… Continue reading US Withdraws from UNFCCC and IPCC

Doomsday Glacier Destabilisation and the Future of Antarctic Ice Sheets

Why in the News? A recent scientific study has revealed increasing fracturing in the Thwaites Glacier, also known as the Doomsday Glacier, indicating how large parts of the Antarctic ice sheets could collapse in the future. The findings were published in the Journal of Geophysical Research: Earth Surface. Thwaites Glacier (Doomsday Glacier) The Thwaites Glacier… Continue reading Doomsday Glacier Destabilisation and the Future of Antarctic Ice Sheets

India Becomes First Nation to Commercially Produce Bio Bitumen

Why in the News? India has become the first country in the world to commercially produce bio bitumen, according to Union Minister for Road Transport and Highways Nitin Gadkari. The announcement highlights India’s push towards sustainable infrastructure and green alternatives in road construction. Bio Bitumen Bio bitumen is an eco friendly binding material used in… Continue reading India Becomes First Nation to Commercially Produce Bio Bitumen

White dwarf system

Why in the News? NASA’s Imaging X-ray Polarization Explorer (IXPE) has, for the first time, probed the internal structure of a white dwarf binary system by studying X ray polarisation. Observations of EX Hydrae revealed unexpected details about gas flows, magnetic accretion, and reflected X ray emission. Significance of IXPE observations Enabled estimation of the… Continue reading White dwarf system

[8th Jaunary 2026] The Hindu OpED: Natgrid, the search engine of digital authoritarianism

PYQ Relevance [UPSC 2023] What are the internal security challenges being faced by India? Give out the role of Central Intelligence and Investigative Agencies tasked to counter such threats. Linkage: NATGRID represents the technological backbone of intelligence coordination among central agencies. The question allows analysis of how intelligence reforms post-26/11 rely increasingly on data integration,… Continue reading [8th Jaunary 2026] The Hindu OpED: Natgrid, the search engine of digital authoritarianism

Why silver prices surfed at 160% wave in 2025

Introduction Silver’s price escalation in 2025 reflects a transformation from a quasi-precious metal into a critical industrial and financial asset. Unlike gold, silver’s value is increasingly driven by its role in energy transition technologies, electronics, and advanced manufacturing, compounded by global supply constraints and portfolio diversification strategies amid macroeconomic uncertainty. Why in the News? Silver… Continue reading Why silver prices surfed at 160% wave in 2025

India’s progress on its climate targets

Introduction India’s climate commitments under the Paris Agreement reflect the principle of Common but Differentiated Responsibilities, balancing development imperatives with environmental responsibility. While headline indicators show substantial compliance, deeper analysis reveals incomplete decoupling between growth and emissions, structural dependence on coal, and gaps between capacity creation and actual decarbonisation outcomes. Why in the News? India… Continue reading India’s progress on its climate targets

79th Foundation Day of Bureau of Indian Standards 

Why in the News? The 79th Foundation Day of the Bureau of Indian Standards was celebrated, where the Union Minister highlighted BIS’s transition from a regulatory role to a facilitative and enabling institution, aligned with ease of doing business and promotion of a quality culture. Bureau of Indian Standards India’s National Standards Body Responsible for… Continue reading 79th Foundation Day of Bureau of Indian Standards 

Indian Scientists Simulate Mpemba Effect Using Supercomputers 

Why in the News? Indian scientists have developed the first supercomputer powered simulation to successfully capture the Mpemba effect, the counterintuitive phenomenon where hot water freezes faster than cold water. The achievement was announced by the Ministry of Science and Technology. What is the Mpemba Effect A physical phenomenon in which hot water freezes faster… Continue reading Indian Scientists Simulate Mpemba Effect Using Supercomputers 

Indian Railways Becomes World’s Largest Electrified Rail

Why in the News? Indian Railways has become the largest electrified rail network in the world, with about 99.2 percent of its broad gauge network electrified as of November 2025. About Indian Railways Electrification Achievement Indian Railways is India’s national transporter and one of the world’s largest railway networks It has achieved near complete electrification… Continue reading Indian Railways Becomes World’s Largest Electrified Rail

Remarkable New Species Discovered in India in 2025

Why in the News? In December 2025, Indian scientists announced the discovery of multiple new species across diverse ecosystems, ranging from the Eastern Himalayas to the Western Ghats, highlighting India’s rich and still underexplored biodiversity. Key New Species Discovered Bridgeoporus kanadii Type: Macro fungi Discovery region: West Kameng district, Arunachal Pradesh Habitat: Old growth Abies… Continue reading Remarkable New Species Discovered in India in 2025

[7th January 2026] The Hindu OpED: At a crossroads: On Iran’s unrest, its re-engagement with the world

PYQ Relevance [UPSC 2018] In what ways would the ongoing US-Iran Nuclear Pact Controversy affect the national interest of India? How should India respond to this situation? Linkage: It falls under GS II-Effect of policies and politics of developed countries on India’s interests, focusing on sanctions, energy security, strategic autonomy, and West Asia stability. Iran’s… Continue reading [7th January 2026] The Hindu OpED: At a crossroads: On Iran’s unrest, its re-engagement with the world

The Chinese are using ambiguity on the LAC and unsettles borders as a pressure point against us

Introduction The Line of Actual Control is not a mutually demarcated boundary but a result of differing historical perceptions. China has progressively shifted from negotiating boundary clarification to leveraging uncertainty to alter ground realities. This strategy enables incremental territorial assertion without triggering full-scale conflict, fundamentally altering the nature of India-China border management. Why in the… Continue reading The Chinese are using ambiguity on the LAC and unsettles borders as a pressure point against us

How Haryana turned around sex ratio at birth, now close to national average

Introduction Sex ratio at birth reflects deep-rooted social preferences, access to technology, and effectiveness of governance. Haryana’s demographic profile was historically distorted due to entrenched son preference and misuse of prenatal diagnostic technologies. The recent improvement indicates a shift driven by administrative vigilance, legal enforcement, and behavioural correction mechanisms, rather than mere awareness campaigns. Why… Continue reading How Haryana turned around sex ratio at birth, now close to national average

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