Current affairs

White Dwarf System: Understanding the Most Common Stellar Remnants in the Universe

White dwarf systems represent one of the final evolutionary stages of stars like our Sun. Though small in size, they play a massive role in astrophysics by helping scientists understand stellar evolution, binary interactions, and extreme states of matter. Recent...

US Withdrawal from Major International Organisations: Causes, Impact and Global Consequences

The decision of the United States to withdraw from several major international organisations has triggered intense debate across the world. Under President Donald Trump, the US has announced exits from dozens of global bodies, including UN agencies, climate institutions, and...

GSDP Share as a Criterion for Central–State Transfers: A New Direction in India’s Fiscal Federalism

India’s system of fiscal federalism is undergoing a crucial transition. With the introduction of the Goods and Services Tax (GST), the traditional relationship between where taxes are collected and where economic activity takes place has weakened. This has reopened an...

ISRO and the Next Big Challenge

Context Indian Space Research Organisation (ISRO) has achieved major milestones in lunar, solar, and Earth-observation missions while preparing for human spaceflight and next-generation launch systems. At the same time, concerns are being raised about capacity constraints, governance clarity, and competitiveness...

New Species Discovered in India in 2025: A Testament to the Nation’s Rich Biodiversity

India once again proved its status as one of the world’s most biodiverse countries in 2025 with the discovery of several new species of flora and fauna. These discoveries, made across diverse ecosystems ranging from the Western Ghats and Northeast...

Indian Express Current Affairs by Chandan Sharma Sir | UPSC

In the highly competitive UPSC Civil Services Examination, mastering current affairs is the key differentiator between selection and rejection. Among various sources available, Indian Express Current Affairs by Chandan Sharma Sir has emerged as one of the most trusted, exam-oriented,...

UN Declares 2026 International Year for Rangelands and Pastoralists

The United Nations has officially declared 2026 as the International Year for Rangelands and Pastoralists, marking a significant global effort to bring long-overdue attention to grasslands, savannahs, and pastoral communities. These ecosystems, often overshadowed by forests in climate discourse, are...

India’s Progress on its Climate Targets

Context India is broadly progressing toward its Paris climate commitments, with emissions intensity reduction and renewable energy capacity targets largely on course. However, rising absolute emissions and continued reliance on coal remain significant challenges that will shape India’s climate trajectory...

Privatisation Threatening India’s Public Health System

Context India’s public health system is under renewed scrutiny due to rising privatisation. Recent Trends in Health System in India Public health spending is roughly 1.9% to 2.1% of GDP (FY26), still short of the 2.5% target set by the...

Quantum Electrodynamics (QED): Meaning, Theory, Applications, and Significance

Quantum Electrodynamics (QED) is the quantum field theory that explains how light and matter interact. It is one of the most successful and precise theories in modern physics, forming a core part of the Standard Model of particle physics. QED...