The constitutional freeze that locked Lok Sabha seat allocation to the 1971 Census population to prevent states with successful family planning from losing representation
UPSC Mains GS Papers
Key Terms & Concepts
4
A
Advisory Committee on National Accounts Statistics — the expert body that recommends GDP methodology and base year changes
India's strategic foreign policy framework prioritising active engagement with Southeast Asian and Indo-Pacific nations through trade, connectivity, and cultural links
A proactive public health strategy where health workers systematically screen high-risk populations for tuberculosis instead of waiting for patients to seek care
A legal document in which a competent adult specifies their medical treatment preferences — particularly regarding life support — to guide healthcare decisions if they later become incapacitated
India's classified, decades-long programme to indigenously design and build nuclear-powered ballistic missile submarines (SSBNs) — producing INS Arihant and INS Arighat — to complete India's nuclear triad and enable a survivable second-strike capability.
A central legislation granting special powers to armed forces personnel operating in 'disturbed areas', including the power to arrest without warrant and immunity from prosecution without Central Government sanction.
A dual land-use technology that integrates elevated solar panels with crop cultivation underneath to produce both electricity and food
State laws prohibiting religious conversions achieved through coercion, inducement, fraud, or misrepresentation — upheld by the Supreme Court since 1977
Constitutional provision under the Tenth Schedule that disqualifies legislators who defect from their party by voting against party directions or voluntarily giving up party membership.
A protective tariff imposed on imports sold below their normal value in the exporting country to prevent unfair trade practices
The Central Act that bifurcated Andhra Pradesh to create Telangana, made Hyderabad a joint capital for 10 years, and placed obligations on the Centre for AP's development — amended in 2026 to designate Amaravati as the sole capital.
Underground layer of permeable rock, sediment, or soil that stores and transmits groundwater
The practice of simultaneously buying and selling an asset in different markets to profit from a price difference; or ...
Constitutional provision establishing the Supreme Court as a court of record with the power to punish for contempt of itself
Constitutional provision allowing the President to assume direct governance of a state when constitutional machinery fails, subject to parliamentary approval and judicial review.
A Directive Principle mandating the State to provide free legal aid so no citizen is denied justice due to economic disability
A Directive Principle of State Policy directing the State to secure a Uniform Civil Code for citizens throughout India
Constitutional provision requiring Parliament to readjust Lok Sabha seat allocation and constituency boundaries after every Census
A lack of equality or equivalence between corresponding parts or roles in a relationship, system, or conflict
The specialised kerosene-based fuel used in aircraft turbine engines, whose pricing directly impacts airline operating costs and ticket prices
B
Judicial principle that Parliament cannot amend the Constitution to destroy its essential features
The first legally binding international agreement for conservation and sustainable use of marine biodiversity in areas beyond national jurisdiction (the high seas)
India's flagship programme to provide broadband internet connectivity to all 2.5 lakh gram panchayats using optical fibre infrastructure
A reciprocal agreement between two central banks to exchange specified amounts of their domestic currencies to provide short-term liquidity support and stabilise forex markets during stress
Gradual accumulation of chemical substances or toxins in the tissues of a living organism over time
Economic activity derived from biological sciences including biotechnology, biopharmaceuticals, biofuels, and bio-agriculture
Organisms whose presence, absence, or abundance reflects the health or pollution status of an ecosystem
India's primary legislation for biodiversity conservation and regulation of Access and Benefit Sharing (ABS) of genetic resources, establishing a three-tier governance structure: NBA, SBBs, and BMCs.
The regulatory framework governing the approval, manufacturing, and market entry of complex biologic medicines and their near-identical copies (biosimilars)
The systematic search for biological organisms — plants, animals, microbes — in natural environments to discover comme...
Near-identical copies of approved biologic medicines, comparable in quality, safety, and efficacy to the original
A decentralized, distributed ledger technology that records transactions in an immutable chain of blocks, eliminating the need for a central trusted authority.
Sustainable use of ocean resources for economic growth while preserving the health of ocean ecosystems
A supersonic cruise missile (Mach 2.8, 450+ km range) jointly developed by India's DRDO and Russia's NPOM, with ship, submarine, air, and land-based variants.
C
The right to operate transport services (sea, air, or road) within a particular territory; specifically, the transport...
Relating to official records or maps showing land ownership, boundaries, and value
A trade measure that imposes a carbon price on imports from countries with weaker climate policies to prevent carbon leakage
Tradeable certificates representing the right to emit one tonne of carbon dioxide or equivalent greenhouse gas
A natural or artificial reservoir that absorbs and stores more carbon dioxide from the atmosphere than it releases
A foundational UNFCCC principle requiring developed nations to take the lead in climate action given their historical emissions and greater financial capacity
A semiconductor fabrication process that deposits thin films of material onto silicon wafers by chemically reacting gaseous precursors
An economic model that eliminates waste by keeping materials in use as long as possible through recycling, reuse, and regeneration, in contrast to the traditional linear take-make-dispose model.
Six Indian languages designated 'Classical' by the Government of India for their ancient literary heritage, independent development, and scholarly tradition
A United Nations environmental treaty that obligates member states to protect wild animals that migrate across national boundaries, coordinating conservation action between countries that share migratory routes
The process by which workers, through their trade unions, negotiate with employers on wages, working conditions, and employment terms
Government spending on obligations that cannot easily be reduced or deferred — primarily salaries, pensions, and inter...
Mandatory replacement of forest land diverted for non-forest purposes by afforesting equivalent non-forest land
A contract granting a private entity the right to build, operate, and profit from a public infrastructure asset for a fixed period
Involving reduced rates, subsidised terms, or special favourable conditions, especially in the context of loans, finan...
The list of subjects in the Seventh Schedule on which both Parliament and State Legislatures can make laws
The formal mechanism prescribed under Article 368 of the Indian Constitution for altering its text, which varies in stringency depending on the nature and sensitivity of the provision being amended.
The adherence to the core principles and transformative spirit of the Constitution — not merely its text but its fundamental values of liberty, equality, fraternity, and dignity — even when these conflict with popular or social morality.
The power of courts to punish acts that obstruct justice administration or scandalise judicial authority, governed by the Contempt of Courts Act, 1971
A nuclear deterrence posture in which a nation maintains at least one nuclear-armed submarine on patrol at all times, ensuring that the nuclear second-strike capability is never vulnerable to a pre-emptive first strike.
A model of federalism where central and state governments work together on shared goals through mutual cooperation rather than competition
The relatively well-off and socially advanced sections within OBC communities who are excluded from the benefits of reservation, based on the principle that reservation should reach only those who genuinely need it.
The proportion of a bank's total deposits that has been lent out as loans, indicating banking system liquidity and credit aggressiveness
Minerals deemed essential for modern technology and clean energy transition, with high economic importance and supply risk
An international treaty banning all nuclear explosions for both civilian and military purposes, opened for signature in 1996 but not yet in force due to non-ratification by key states.
The shortfall when a country's total imports of goods, services, and transfer payments exceed its total exports — a key indicator of external sector vulnerability.
Physical or psychological abuse, torture, or death inflicted on a person while in the lawful custody of the state — including police, prison, or judicial custody — constituting a serious violation of constitutional rights and human dignity.
D
IRDAI's framework to identify and specially supervise insurers whose failure could trigger systemic financial instability — analogous to RBI's D-SIB framework for banks.
The requirement that certain categories of data collected within a country must be stored and processed on servers physically located within that country's borders
Design-Build-Finance-Operate-Transfer — a PPP model where the private partner handles all project phases before transferring the asset to the government
The ability of a government (or economy) to service its existing and future debt obligations without requiring debt restructuring or defaulting, while maintaining growth and essential public spending.
The policy framework governing how the Indian Ministry of Defence procures weapons systems, equipment, and platforms for the armed forces
A representation principle where larger states get more seats but at a decreasing rate relative to population, protecting smaller states from underrepresentation
A high-powered body that redraws Lok Sabha and State Assembly constituency boundaries based on Census data
Economic growth potential arising from a shift in population age structure when the working-age population is larger than dependents
The act of discouraging or preventing an action by instilling fear of consequences; in strategic affairs, the preventi...
The transfer of power, authority, or resources from a central government to lower levels of government or local bodies
Shared digital building blocks — identity, payment, and data exchange systems — that governments build as open platforms for society-wide use
A nation's right and capacity to govern its own digital infrastructure, data flows, and technology ecosystem independently, free from foreign corporate or state control.
Non-justiciable constitutional directives in Part IV (Articles 36-51) that guide the state towards establishing a welfare state, drawn from the Irish Constitution.
A systematic approach to identifying, assessing, and reducing risks of disaster to build resilient communities and nations
Designing Innovative Solutions for Holistic Access to Justice — the Central Sector umbrella scheme for technology-driven legal aid
A trust funded by mining royalties to benefit communities in mineral-rich districts affected by mining operations
The process by which the government or a company sells off assets, subsidiaries, or shareholdings
A bank designated by RBI as 'too big to fail' whose collapse would cause significant disruption to the Indian financial system and economy
The coexistence of undernutrition (stunting, wasting) and overnutrition (obesity, NCDs) in the same population, household, or individual
A GDP measurement method that separately deflates both outputs and intermediate inputs to get accurate real value-added at industry level
E
The mandatory blending of 20% ethanol derived from agricultural feedstocks into petrol, a policy target India aims to achieve by 2025–26 to reduce fossil fuel imports, cut carbon emissions, and support farmers
A composite index (formerly published by the World Bank) ranking countries on the regulatory environment faced by small and medium enterprises across the business lifecycle, from starting a business to resolving insolvency.
The large-scale, severe, and widespread destruction or damage to ecosystems, proposed as an international crime under the Rome Statute of the International Criminal Court alongside genocide, war crimes, and crimes against humanity
An anonymous instrument for political funding in India, struck down by the Supreme Court in February 2024
Constitutional provisions (Articles 352-360) empowering the President to proclaim different types of emergencies that temporarily alter the federal balance and suspend certain rights to protect national security, state constitutional breakdown, or financial stability.
A measure of greenhouse gas emissions per unit of GDP, allowing emissions to rise in absolute terms while declining relative to economic output
The uninterrupted availability of energy sources at an affordable price to sustain economic growth and national security
A mandatory scientific evaluation of the potential environmental effects of a proposed project before it receives government clearance
The biological process by which red blood cells (erythrocytes) are produced in bone marrow
An advanced semiconductor manufacturing technique using 13.5 nm wavelength light to print nanometre-scale circuit patterns on silicon wafers
10% reservation in government jobs and higher education for Economically Weaker Sections among general category citizens, introduced by the 103rd Constitutional Amendment Act of 2019.
The conservation of threatened species outside their natural habitat through captive breeding centres, gene banks, botanical gardens, and zoos
A policy principle that makes manufacturers, importers, and brand owners responsible for the end-of-life collection and recycling of their products — shifting the waste management burden from government and consumers to producers
F
A nuclear reactor that uses fast (unmoderated) neutrons to both sustain a chain reaction and 'breed' new fissile material (plutonium-239) from fertile uranium-238, producing more fuel than it consumes.
An inter-governmental body that sets global standards for combating money laundering, terrorist financing, and proliferation financing, and monitors countries' compliance through a mutual evaluation and listing system.
Legislation regulating the acceptance and utilisation of foreign contributions by NGOs, associations, and individuals in India, administered by the Ministry of Home Affairs.
A system of government where power is constitutionally divided between a central authority and constituent units
A person or institution legally and ethically obligated to act in another party's best interest; relating to such a re...
Constitutional schedule (under Articles 244 and 244A) governing the administration and control of Scheduled Areas and Scheduled Tribes in states other than Assam, Meghalaya, Tripura, and Mizoram.
A constitutional body (Article 280) constituted every five years to recommend distribution of Union tax revenues between Centre and states
The gap between total government expenditure and total government revenue (excluding borrowings)
The financial dimension of federalism — how taxing powers, spending responsibilities, and transfers are divided between the Union and states
A NITI Aayog benchmarking tool that ranks Indian states across five dimensions of fiscal performance using CAG-verified data to identify structural fiscal stress and best practices
India's monetary policy framework anchoring the RBI's policy rate decisions to a 4% CPI inflation target with a 2-6% tolerance band
Protection of the migratory routes and habitats used by birds and other species as they travel between breeding and wintering grounds
Legislation recognising and vesting forest rights in forest-dwelling Scheduled Tribes and other traditional forest dwellers who have been living in and depending on forests for generations.
A small, agile, low-cost drone piloted through goggles streaming a live camera feed, used as a precision strike weapon in modern warfare
Mandatory nutritional warning labels on the front of packaged food products to inform consumers about high sugar, salt, or fat content
Food Safety and Standards Authority of India — the apex regulatory body for food safety, standards, and labelling in India
G
The reference year against which all subsequent GDP is measured, with its prices treated as constant (=100)
A fiscal tool that analyses government budgets through a gender lens to ensure that public expenditure and revenue policies address gender gaps and advance women's empowerment.
The legal principle allowing individuals to determine and declare their own gender identity without medical or judicial gatekeeping
A legal marker identifying a product as originating from a specific geographical region with qualities, reputation, or characteristics attributable to that origin
An offshore subsidiary unit set up by a multinational company in India to deliver high-value functions — technology, analytics, finance, legal — for its global operations
A periodic assessment under the Paris Agreement that evaluates collective global progress on climate action every five years
Electronic warfare techniques that disrupt or falsify satellite navigation signals to endanger ships, aircraft, and critical infrastructure
The world's largest dedicated climate fund, financing mitigation and adaptation projects in developing countries
A modified measure of economic output that adjusts conventional GDP by subtracting the costs of environmental degradation and depletion of natural resources.
An airport built from scratch on undeveloped land, as opposed to expanding an existing facility
Adversarial activities conducted below the threshold of conventional armed conflict — using hybrid tools like cyber attacks, disinformation, economic coercion, and proxy forces — to achieve strategic objectives while avoiding direct military confrontation.
H
A legal writ requiring that a person under detention be brought before a court so the lawfulness of their detention can be examined — a fundamental safeguard of personal liberty against arbitrary arrest.
The growing global shortage of helium — a non-renewable, non-substitutable noble gas critical to scientific research, healthcare, and high-tech industries
A composite statistical index published by the UNDP that measures a country's average achievements in health, education, and standard of living as a multidimensional alternative to GDP-based development measurement.
A military and political strategy that blends conventional armed forces with irregular tactics, cyber attacks, disinformation campaigns, economic coercion, and proxy groups to achieve strategic objectives below the threshold of open war.
I
A Ministry of Defence initiative that engages startups and MSMEs to develop innovative defence technologies through challenges, grants, and procurement commitments
A macroeconomic concept stating that a country cannot simultaneously maintain a fixed exchange rate, free capital movement, and an independent monetary policy
A Rs 76,000 crore ($10 billion) initiative under MeitY to build a domestic semiconductor and display fabrication ecosystem, offering up to 50% capital subsidy for fab units.
India's long-term nuclear energy strategy conceived by Homi Bhabha in the 1950s, designed to achieve eventual self-sufficiency using India's abundant thorium reserves through three successive reactor types.
The domestic design, development, and manufacturing of military equipment, weapons systems, and platforms to reduce import dependence
The right of ships to pass through a coastal state's territorial sea without stopping, provided the passage is not prejudicial to the state's peace, order, or security
The ability of systems, institutions, platforms, or forces to work together smoothly
Non-native organisms introduced to an ecosystem that spread aggressively, displace native biodiversity, and cause ecological or economic harm
A multilateral forum of the naval chiefs of Indian Ocean littoral states, established by the Indian Navy in 2008 to foster cooperative maritime security, information sharing, and capacity building across the Indian Ocean Region
The political policy or movement aimed at reclaiming and incorporating into one country territories inhabited by peopl...
J
India's second major decriminalisation law (2026), amending 784 provisions across 79 Acts and 23 Ministries to remove imprisonment for minor regulatory violations — building on the Jan Vishwas Act 2023 which decriminalised 183 provisions across 42 Acts.
A landmark 2023 law that decriminalised 183 provisions across 42 central Acts, replacing imprisonment with fines for minor regulatory violations to ease business compliance and reduce court pendency
India's highest literary honour, awarded annually since 1965 by Bharatiya Jnanpith for outstanding contribution to Indian literature
Economic expansion and rising GDP that fails to generate proportionate employment opportunities
A mechanism where a group of WTO members voluntarily negotiate rules on a specific topic outside the formal multilateral negotiation process
A judicial philosophy where courts interpret constitutional provisions expansively to protect rights, fill legislative vacuums, and direct executive action — sometimes going beyond strict textual interpretation.
When courts exceed their constitutional role by encroaching on the legislative or executive domain, issuing directions that amount to making policy or law
The power of courts to examine the constitutional validity of legislative and executive actions
The philosophy and theoretical framework of law; the study of legal principles and the body of legal knowledge develop...
K
India's indigenous SIL-4 certified Automatic Train Protection system that prevents train collisions by automatically applying brakes
India's flagship grassroots sports development scheme providing talent identification, training, and infrastructure at youth and university levels
L
Four consolidated labour codes that replaced 29 colonial-era labour laws, effective 21 November 2025
A specialised test facility at NSTL Visakhapatnam that simulates deep-sea pressure and flow conditions to test ship and submarine models for propeller cavitation, hydrodynamic performance, and acoustic signature — critical for India's indigenous submarine programme.
The legal right or standing of a person or entity to bring a case before a court — the requirement that a petitioner must have a sufficient personal interest in the matter being litigated.
An unmanned aerial weapon that can loiter over an area for extended periods before striking a target, combining characteristics of both drones and missiles
India's national ombudsman body established under the Lokpal and Lokayuktas Act 2013 to independently inquire into allegations of corruption against high public functionaries including the Prime Minister.
A dedicated climate fund established at COP-28 to compensate vulnerable nations for irreversible climate impacts beyond adaptation
Satellites orbiting 200–2,000 km above Earth, offering low-latency broadband internet connectivity at global scale
M
The region between 410 km and 660 km depth in Earth's interior, defined by mineral phase transitions and capable of storing vast water reserves
Comprehensive approach ensuring access to menstrual hygiene products, education, sanitation facilities, and destigmatisation of menstruation
Government-announced floor price at which it pledges to procure specified agricultural commodities from farmers
An informal political arrangement among 36 countries to restrict the export of missiles, drones, and related technology capable of delivering weapons of mass destruction
Lifestyle for Environment — India's behaviour-change initiative that became part of its updated NDC in August 2022
Guidelines issued by the Election Commission of India governing the conduct of political parties, candidates, and the government from the announcement of elections until the declaration of results.
RBI's use of interest rates and money supply to control inflation and support economic growth
A six-member statutory body under the RBI Act that decides the policy repo rate to achieve India's inflation target
A Bill defined under Article 110 dealing only with specified financial matters, which can only be introduced in Lok Sabha and over which Rajya Sabha has limited powers — it can only make recommendations, which Lok Sabha may accept or reject.
The tendency of an insured or guaranteed party to take on excessive risk because they do not bear the full consequences of their actions.
A WTO principle requiring member countries to extend the same trade terms — tariffs, quotas, and market access — to all other members without discrimination
The aviation industry segment dealing with aircraft maintenance, repair, and overhaul services — a key component of aviation infrastructure
India's foreign policy posture of engaging multiple great powers and groupings simultaneously without binding itself to any single military or political alliance — a deliberate evolution beyond Cold War-era non-alignment.
A global power structure in which three or more major states or blocs hold significant and roughly comparable economic, military, and diplomatic influence
Bilateral agreements enabling countries to share evidence, legal documents, and judicial cooperation in criminal investigations
N
An international treaty under the CBD that establishes a framework for fair and equitable sharing of benefits arising from the use of genetic resources, requiring Prior Informed Consent (PIC) and Mutually Agreed Terms (MAT).
Landmark Supreme Court judgment recognising transgender persons as a third gender with the right to self-identification
The 106th Constitutional Amendment Act reserving one-third of seats in Lok Sabha and State Legislative Assemblies for women
Specialised quasi-judicial body for fast-track adjudication of environmental disputes in India
India's structured plan to lease out operational government assets to the private sector to unlock Rs 6 lakh crore in 4 years
An apex body to fund, coordinate, and promote research and innovation across all disciplines in India
India's first comprehensive sports governance law establishing a National Sports Board, mandating 50% women in SOMs, and creating a National Sports Tribunal
Climate action plans submitted by each country under the Paris Agreement, updated every five years with progressively higher ambition
A set of fundamental procedural fairness principles — primarily the right to a fair hearing and the rule against bias — that must be observed by any authority exercising power affecting individual rights.
India's indigenous regional satellite navigation system providing position and timing services over India and up to 1,500 km beyond its borders
A quasi-judicial body that adjudicates matters related to the Companies Act, 2013 and the Insolvency and Bankruptcy Code, 2016
Asteroids and comets whose orbits bring them within 1.3 Astronomical Units of the Sun — monitored for potential Earth impact
A state in which greenhouse gases emitted into the atmosphere are balanced by equivalent removals
An independent regulator established under the Companies Act, 2013 to oversee auditing standards and discipline auditors of public interest entities
Bank loans or advances where the principal or interest payment is overdue for more than 90 days, indicating the borrower has defaulted — a key indicator of banking sector health.
A ballot option on EVMs allowing voters to formally reject all candidates without boycotting the election, introduced by a Supreme Court direction in 2013 and first used in the November 2013 state assembly elections.
A three-pronged nuclear weapons delivery system comprising land-based ICBMs, air-launched nuclear bombs/missiles, and sea-based submarine-launched ballistic missiles (SLBMs) — ensuring survivable second-strike capability.
O
Government borrowing that is routed through state-owned corporations, special purpose vehicles, or public sector entit...
Concessional financial flows from developed country governments to developing countries, primarily for economic development and welfare
An integrated, unifying approach that recognises the health of humans, animals, and ecosystems are interconnected and must be addressed holistically to prevent and respond to health threats.
RBI's tool of buying or selling government securities in the open market to regulate money supply and liquidity
India's White Revolution — the world's largest dairy development programme (1970–1996) that transformed India from a milk-deficient country into the world's largest milk producer through the cooperative model pioneered by Verghese Kurien and the Anand Pattern.
P
Five climate action commitments announced by PM Modi at COP26 Glasgow (November 2021) that formed the basis of India's updated NDC 2.0
The landmark 2015 international climate accord under UNFCCC committing nations to limit global warming to well below 2 degrees Celsius above pre-industrial levels, with efforts to limit it to 1.5 degrees Celsius.
Special rights and immunities enjoyed by Parliament, its houses, and individual members that are necessary for the free and effective discharge of their legislative and deliberative functions.
The withdrawal or withholding of life-sustaining medical treatment to allow a terminally ill or permanently incapacitated patient to die naturally, as legally permitted in India under strict safeguards
Leave granted to fathers around the time of a child's birth or adoption, aimed at enabling shared parenting and gender equality in caregiving
A severe disorder of consciousness in which a patient is awake (eyes may open) but shows no signs of awareness of self...
The Panchayats (Extension to Scheduled Areas) Act 1996, which extends panchayati raj institutions to Fifth Schedule tribal areas with special modifications to protect tribal rights and Gram Sabha powers.
Nine Earth system limits beyond which humanity risks destabilising the planet
The legal responsibility — or immunity — of digital intermediaries such as social media companies for third-party content published on their platforms
A government scheme offering financial incentives to manufacturers based on incremental sales above a base year threshold, aimed at boosting domestic manufacturing, attracting investment, and reducing import dependence across 14 key sectors.
A ready-to-use industrial zone with pre-approved clearances, built infrastructure, and single-window facilitation for immediate factory setup
A WTO agreement that binds only those member states that voluntarily sign it, unlike multilateral agreements that apply to all WTO members
A digital platform integrating 16 ministries' infrastructure data to enable coordinated, multi-modal connectivity planning
India's flagship collateral-free micro-enterprise lending scheme (2015), channelling credit through a refinancing model to non-corporate, non-farm micro and small enterprises across three tiers — Shishu, Kishore, and Tarun.
Contractual arrangements between government and private entities for building and operating infrastructure, varying in risk allocation and asset ownership
A medical approach that tailors treatment to individual patients based on their genetic, environmental, and lifestyle factors
A performance-based government incentive where manufacturers receive cash transfers proportional to their incremental production above a baseline, designed to make Indian manufacturing globally competitive
India's most advanced indigenous stealth frigate programme — 7 ships (4 at MDL, 3 at GRSE) with >75% indigenous content, displacing 6,670 tonnes, armed with BrahMos and Barak-8.
An electoral system in which the share of seats won by each party closely mirrors its share of the popular vote, unlike first-past-the-post where winner takes all.
A legal mechanism allowing any public-spirited person to approach the Supreme Court or High Court to enforce constitutional and legal rights on behalf of disadvantaged groups, without the affected party needing to file the petition themselves.
A legal principle that certain natural resources are held by the state in trust for public use and cannot be transferred to private parties
Q
An informal strategic grouping of India, USA, Australia, and Japan working together on Indo-Pacific security and connectivity
A computation paradigm that uses quantum mechanical phenomena — superposition and entanglement — to process information in ways that can exponentially outperform classical computers for specific problem types.
R
The Reserve Bank of India's five-year strategic roadmap (2025–2028) for transforming India's payments ecosystem through UPI portability, interoperable account aggregators, CBDC expansion, and a unified 'Payments Union' framework
Necessary and appropriate modifications to enable persons with disabilities to enjoy rights on equal basis with others, without imposing a disproportionate burden
A controlled, time-limited framework that allows innovators to test new products, services, or business models under a regulator's supervision with relaxed compliance requirements.
The rate at which the Reserve Bank of India lends short-term money to commercial banks against government securities — the primary monetary policy tool for controlling inflation and liquidity.
The right of individuals, especially women, to make independent decisions about pregnancy, contraception, abortion, and family planning
The legal right of citizens to access information held by public authorities, derived from Article 19(1)(a)
A high-pressure mineral in Earth's mantle transition zone capable of storing vast quantities of water as hydroxyl groups
S
India's maritime vision for the Indian Ocean Region emphasising Security and Growth for All in the Region
India's flagship port-led development initiative worth ₹6.01 lakh crore to modernise ports, develop coastal economic zones, and create maritime employment
India's comprehensive anti-insurgency framework for combating Left Wing Extremism (LWE/Naxalism), using the SAMADHAN acronym to integrate security operations, development initiatives, and political processes under a unified strategic approach.
A form of criminal contempt where a publication or statement is deemed to lower or undermine the authority of a court
India's statutory regulatory body for the securities market, established in 1988 as a non-statutory body and given statutory powers under the SEBI Act, 1992.
India's constitutional model of positive secularism in which the state maintains principled equidistance from all religions — neither promoting nor discriminating against any faith — while being free to regulate religious affairs in the public interest.
A boundary within Earth's interior where seismic wave velocities change abruptly due to changes in composition or mineral phase
The world's largest microfinance programme connecting Self-Help Groups to formal banking for savings, credit, and financial inclusion
A process of community-based verification of government programmes to ensure accountability and transparency
India's primary legal framework governing municipal solid waste collection, segregation, processing, and disposal — mandating source segregation into three streams and assigning responsibilities to urban local bodies, waste generators, and producers.
Government-issued bonds whose proceeds are exclusively used to finance green and climate-friendly projects
A geographically demarcated area within a country where business and trade laws differ from the rest of the country, typically offering tax incentives, streamlined regulations, and superior infrastructure to attract foreign investment and promote exports.
A rare and particularly difficult economic condition combining stagnant economic growth (or recession) with high inflation and high unemployment simultaneously — a combination that traditional economic policy tools struggle to address.
The world's most critical energy chokepoint connecting the Persian Gulf to the Gulf of Oman, through which approximately 20% of globally traded oil transits daily.
A nation's capacity to make independent foreign and security policy decisions without being constrained by dependence on any single external power or alliance.
Emergency stockpiles of crude oil maintained by governments to cushion the economy against supply disruptions, price shocks, and geopolitical crises in global oil markets.
Underground crude oil storage facilities maintained by India at three locations (Visakhapatnam, Mangaluru, Padur) with a total capacity of 5.33 MMT, providing approximately 9.5 days of consumption buffer.
Government-maintained stockpiles of essential commodities — especially crude oil, food grains, and critical minerals — to buffer against supply disruptions
A legislative provision that automatically terminates a law or regulation after a fixed period unless explicitly renewed by Parliament.
A constitutional provision (Article 115) allowing Parliament to authorise additional government spending beyond the amount approved in the annual Union Budget
A statistical framework that matches total supply (production + imports) with total demand (consumption + investment + exports) for each commodity
Low-carbon liquid jet fuels derived from used cooking oil, agricultural residues, and municipal waste — India targets 1% blend by 2027
A military concept where multiple small, autonomous or semi-autonomous drones operate as a coordinated swarm to overwhelm enemy defences — cheaper and more effective than single large platforms.
T
A government programme providing free pre-litigation legal advice to rural citizens via video-conferencing at Common Service Centres
The average number of children a woman would bear in her lifetime at current age-specific fertility rates
The idea that a Constitution is not merely a static legal document but an aspirational instrument mandating ongoing social transformation towards equality, dignity, and justice — especially relevant to societies emerging from deep historical inequalities.
The right of ships and aircraft to pass through international straits used for navigation, governed by UNCLOS Part III
U
A state-enacted common personal law replacing religion-based personal laws within that state's jurisdiction
A single set of personal laws governing marriage, divorce, inheritance, and adoption for all citizens regardless of religion, as envisioned under Article 44 of the Constitution.
An unconditional, periodic cash transfer to every citizen regardless of income or employment status
V
The critical gap between laboratory research and commercial product where most innovations fail due to lack of funding and infrastructure
Viksit Bharat Guarantee for Rozgar and Ajeevika Mission Gramin — the scheme that replaced MGNREGA in December 2025
A government grant mechanism that bridges the gap between the cost of providing infrastructure services and the revenue recoverable from users
RBI regulation limiting foreign investors' voting rights in Indian private banks to 26% — even when they hold up to 74% equity — to prevent foreign governance control over deposit-taking institutions.
W
A state where water demand consistently exceeds renewable supply, pushing systems toward irreversible collapse
A measure of the ratio between total water withdrawals and available renewable water resources in a region, indicating the degree of pressure on water supplies
A state that takes active responsibility for the economic and social well-being of its citizens through universal services and social protection
Wetlands are transitional land areas permanently or temporarily saturated with water; Ramsar Sites are wetlands of international importance designated under the Ramsar Convention on Wetlands (1971) for conservation.
A person — typically an employee or public servant — who exposes wrongdoing, corruption, illegal activity, or misuse of power within an organisation, usually at significant personal risk.
The UN specialised agency for international public health, founded April 7, 1948, headquartered in Geneva, with 194 member states (though US and Argentina have withdrawn).
The power of superior courts (Supreme Court and High Courts) to issue prerogative writs — Habeas Corpus, Mandamus, Prohibition, Certiorari, and Quo Warranto — for enforcement of fundamental rights and correction of errors in subordinate courts and authorities.
Z
An informal parliamentary practice unique to India where Members of Parliament can raise matters of urgent public importance immediately after Question Hour without prior notice to the Speaker — so named because it begins at 12:00 noon.