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Non-Deliverable Derivatives (NDD) Explained
The Reserve Bank of India (RBI) recently partially eased restrictions on rupee derivative trades that were imposed earlier to prevent the currency from hitting successive record lows. On April 1, RBI had barred banks from participating in Non-Deliverable Derivative (NDD) contracts in the rupee, signaling a shift toward tighter control and transparency in the foreign exchange market. Understanding Derivatives: The Foundation Concept Before understanding NDDs, it is essential t
Apr 254 min read


VitalID Technology Explained
With the rapid expansion of digital platforms and immersive technologies, the need for secure and seamless authentication systems has become more critical than ever. A new technology called VitalID is being seen as a potential breakthrough in login and identity verification systems. Unlike traditional methods such as passwords, fingerprints, or facial recognition, VitalID uses internal physiological signals—like breathing and heartbeat vibrations—to authenticate users. This m
Apr 254 min read


Galactic Cosmic Rays Explained
The Invisible Rain from Space On a clear night, when you look up at the sky, you are witnessing light that has travelled billions of years to reach Earth. However, alongside this light, something else is constantly arriving—invisible, high-energy particles known as Galactic Cosmic Rays (GCRs). These particles continuously pass through Earth—and even through our bodies—without us noticing. Despite being unseen, they are one of the most fascinating and important phenomena in as
Apr 254 min read


Daily UPSC Prelims MCQs - International Relations - 24th April 2026
Test your UPSC CSE 2026-27 preparation with today’s International Relations (Every Friday) Quiz — covering AZEC (Asia Zero Emission Community), places Odesa and Dnipro, Equator Prize 2025, Eastern Mediterranean Sea, snapback and more. Previous UPSC International Relations Quiz 17 April 2026 Click Here 10 April 2026 Click Here 03 April 2026 Click Here 27 March 2026 Click Here 20 March 2026 Click Here 13 March 2026 Click Here
Apr 231 min read


Daily Current Affairs - 20th April 2026
Comprehensive UPSC Current Affairs Summary | Constitution (131st) Amendment Bill 2026 Defeat, Delimitation Bill Withdrawal, Illegal Sand Mining in Chambal Sanctuary, NBA Access & Benefit Sharing Reforms, Phytoremediation Water-Neutral Railway Depot, Uttarakhand Hanging Glaciers Risk Study, Mesothermic Fishes & Ocean Warming, BHAVYA Industrial Parks Scheme, RELIEF Export Support Scheme, Scarborough Shoal Dispute, NMEDT Mineral Exploration Reform and more. Table of Content PO
Apr 2012 min read


Bioluminescence Explained
Bioluminescence , often described as nature’s living light , is a remarkable biological phenomenon in which living organisms produce and emit light through internal chemical reactions. While this phenomenon is rare in terrestrial (land) ecosystems , it is widely prevalent in marine environments , particularly in deep-sea ecosystems. From glowing ocean waves to luminous marine organisms, bioluminescence plays a critical role in marine ecology and has gained relevance in scie
Apr 174 min read


Shrinkflation, Skimpflation & Stagflation Explained
Recent global disruptions, particularly the West Asia conflict , have led to significant fuel supply constraints and price shocks , affecting multiple sectors of the economy. These impacts are visible across fast-moving consumer goods (FMCGs) such as instant noodles, beverages, milk packs, and juice, as well as in automotive components used by major manufacturers. In response to rising input costs, companies increasingly adopt alternative pricing and cost-management strateg
Apr 164 min read


Daily Current Affairs - 15th April 2026
Comprehensive UPSC Current Affairs Summary | 10 Years of e-NAM, Delimitation Concerns of Southern States, Recusal of Judges, Right to Vote in India, Workers’ Protests in Industrial Hubs, AMOC Climate Warning, Glufosinate Import Restrictions, Southwest Monsoon Forecast 2026, Startup India Fund of Funds 2.0, Konyak Tribe Herbal Research, Matua Community Voter Revision Issue, ANRF’s SARAL AI Platform and more. Table of Content INTERNATIONAL RELATIONS Rising Geoeconomic Uncertai
Apr 1520 min read


Daily UPSC Prelims MCQs - Economy - 13th April 2026
Test your UPSC CSE 2026 preparation with today’s Economy ( Every Monday ) Quiz — covering repo rate, limits for FPI investment in India, Gini coefficient, Investment Facilitation for Development (IFD) and more. Previous UPSC Economy Quiz 06 April 2026 Click Here 30 March 2026 Click Here 23 March 2026 Click Here 16 March 2026 Click Here 09 March 2026 Click Here 02 March 2026 Click Here
Apr 131 min read


Daily UPSC Prelims MCQs - History & Culture - 11th April 2026
Test your UPSC CSE 2026 preparation with today’s Indian History & Culture (Every Saturday) Quiz — covering India’s freedom struggle, the author of nationalism, Geographical Indicators (GI) tag products, UNESCO, International Booker Prize in 2025 and more. Previous UPSC History & Culture Quiz 04 April 2026 Click Here 28 March 2026 Click Here 21 March 2026 Click Here 14 March 2026 Click Here 07 March 2026 Click Here 28 Feb 2026 Click Here
Apr 111 min read


Daily UPSC Prelims MCQs - Science & Tech. - 8th April 2026
Test your UPSC CSE 2026 preparation with today’s Science & Technology (Every wednesday) Quiz — covering stages of Polar Satellite Launch Vehicle, cosmic rays, Ingenuity Mars Helicopter, Petaflop, solar system and more. Previous UPSC Science & Technology Quiz 01 April 2026 Click Here 25 March 2026 Click Here 18 March 2026 Click Here 11 March 2026 Click Here 04 March 2026 Click Here
Apr 81 min read


Daily UPSC Prelims MCQs - Polity - 7th April 2026
Test your UPSC CSE 2026 preparation with today’s Polity ( Every Tuesday ) Quiz — covering electoral college, one person, one vote, adoptive mothers, Legislative Assembly or Legislative Council of a State, Article 371 and more. Previous UPSC Polity Quiz 31 March 2026 Click Here 24 March 2026 Click Here 17 March 2026 Click Here 10 March 2026 Click Here 03 March 2026 Click Here
Apr 71 min read


Daily UPSC Prelims MCQs - Economy - 6th April 2026
Test your UPSC CSE 2026 preparation with today’s Economy ( Every Monday ) Quiz — covering aviation fuel, Special Economic Zones (SEZs), power generation, Ways and Means Advances (WMA), MGNREGS in the 2025–26 and more. Previous UPSC Economy Quiz 30 March 2026 Click Here 23 March 2026 Click Here 16 March 2026 Click Here 09 March 2026 Click Here 02 March 2026 Click Here
Apr 51 min read


Daily UPSC Prelims MCQs - History & Culture - 4th April 2026
Test your UPSC CSE 2026 preparation with today’s Indian History & Culture (Every Saturday) Quiz — covering M N Roy, Keshav Baliram Hedgewar, history of civil services in India, Khido Khundi and more. Previous UPSC History & Culture Quiz 28 March 2026 Click Here 21 March 2026 Click Here 14 March 2026 Click Here 07 March 2026 Click Here 28 Feb 2026 Click Here
Apr 41 min read


Daily Current Affairs - 20th & 21st March 2026
Comprehensive UPSC Current Affairs Summary | Force Majeure Declarations amid West Asia Conflict, Reopening of Shipki La Pass Trade, Crop Diversification Policy Debate, Index of Core Industries Slowdown, World Happiness Report 2026, Global Terrorism Index 2026, UNIGME Child Mortality Report 2025, Postal Ballot Expansion & MCMC Guidelines, India’s Defence MSMEs, Astronaut Re-entry Technology, RELIEF under Export Promotion Mission and more. Table of Content INTERNATIONAL Force
Mar 2322 min read


Daily UPSC Prelims MCQs - Economy - 23rd March 2026
Test your UPSC CSE 2026 preparation with today’s Economy ( Every Monday ) Quiz — covering Worker Population Ratio (WPR), Murban, West Texas Intermediate and Kikeh, polysilicon refining, ingot & wafer manufacturing, rebasing (updating the base year) and more. Previous UPSC Economy Quiz 16 March 2026 Click Here 09 March 2026 Click Here 02 March 2026 Click Here 23 Feb 2026 Click Here 16 Feb 2026 Click Here 09 Feb 2026 Click Here 02 Feb 2026 Click Here
Mar 231 min read


Daily UPSC Prelims MCQs - Science & Tech. - 18th March 2026
Test your UPSC CSE 2026 preparation with today’s Science & Technology (Every wednesday) Quiz — covering Van Allen Probe A and Van Allen Probe B spacecrafts, Reverse osmosis (RO) technology, Liquefied petroleum gas (LPG), helioseismology and more. Previous UPSC Science & Technology Quiz 11 March 2026 Click Here 04 March 2026 Click Here 25 Feb 2026 Click Here 18 Feb 2026 Click Here 11 Feb 2026 Click Here 04 Feb 2026 Click Here
Mar 171 min read


Daily UPSC Prelims MCQs - Polity - 17th March 2026
Test your UPSC CSE 2026 preparation with today’s Polity ( Every Tuesday ) Quiz — covering resolution to impeach the Speaker of the Lok Sabha, Right to be Forgotten, laws regulating religious conversion, the Legislature of a State, council of ministers and more. Previous UPSC Polity Quiz 10 March 2026 Click Here 03 March 2026 Click Here 24 Feb 2026 Click Here 17 Feb 2026 Click Here 10 Feb 2026 Click Here 03 Feb 2026 Click Here
Mar 171 min read


Daily UPSC Prelims MCQs - Current Affairs - 15th March 2026
Test your UPSC CSE 2026 preparation with today’s Current Affairs (Every Sunday) Quiz — covering Navigation with Indian Constellation (NavIC), Sujal Gaon ID, Kharg Island, BRICS grouping, acid rain, naval mines, frog species and their native places, Kurumba painting, Dimethyl Ether (DME), International Energy Agency, 2026 Pritzker Architecture Prize, Essential Commodities Act, Xiaokang, Express Rome and Mayuree Naree and more. Previous UPSC Current Affairs Quiz 08 March 2026
Mar 151 min read


Daily Current Affairs - 14th March 2026
Comprehensive UPSC Current Affairs Summary | Lebanon Peacekeeper Protection at UN, Special 301 Report & IP Watchlists, V.O. Chidambaranar Port Digital Twin Initiative, Article 105 Parliamentary Privileges, Defence Forces Vision 2047 Roadmap, Operation Sagar Bandhu in Sri Lanka, National Geospatial Policy 2022, CE20 Cryogenic Engine Test, Supernova–Magnetar Discovery, International Solar Alliance 10th Foundation Day, FraudPro AI Telecom Security, FSSAI Dairy Registration Dir
Mar 1413 min read
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