Glossary of Constitutional Terms and Doctrines
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Alphabetical Reference for Precise Definitions
How to Use This Chapter
Prelims questions frequently hinge on precise definitional knowledge — being able to distinguish "advisory jurisdiction" from "original jurisdiction," or "quasi-federal" from "unitary." This glossary consolidates terms used across all preceding chapters into a single alphabetical reference for rapid pre-exam revision.
Absolute Veto: The President's power to withhold assent to a bill entirely, effectively killing it — rarely used in practice (last clearly exercised in India in 1954, with subsequent instances debated).
Adjournment Motion: A parliamentary device to draw attention to an urgent matter of public importance, involving an element of censuring the government; can be moved only in the Lok Sabha.
Advisory Jurisdiction: The Supreme Court's power under Article 143 to give a non-binding opinion to the President on questions of law or fact of public importance.
Anti-Defection Law: Provisions in the Tenth Schedule (added by the 52nd Amendment, 1985) disqualifying MPs/MLAs for defecting from their party.
Asymmetric Federalism: A federal system where constituent units have differing constitutional status/powers (e.g., special provisions for Nagaland, Sikkim under Article 371-series).
Basic Structure Doctrine: The principle (from Kesavananda Bharati, 1973) that Parliament's amending power under Article 368 cannot alter the Constitution's fundamental/basic features.
Bicameralism: A legislature with two Houses (e.g., Parliament: Lok Sabha + Rajya Sabha; some state legislatures: Assembly + Council).
Cabinet Mission Plan: The 1946 British proposal under which the Constituent Assembly was constituted.
Calling Attention Motion: An Indian parliamentary innovation (not originally in the Rules) allowing an MP to call a minister's attention to an urgent matter of public importance.
Certiorari: A writ quashing an order already made by a lower court/tribunal acting without or beyond its jurisdiction.
Collective Responsibility: The principle that the Council of Ministers is jointly answerable to the Lok Sabha (Union) or state Legislative Assembly (state) — Article 75(3)/164(2).
Collegium System: The judicially-evolved mechanism (via the Judges Cases) for appointment/transfer of Supreme Court and High Court judges, where the CJI's recommendation (formed with senior colleagues) is effectively binding on the executive.
Competitive Federalism: States competing with each other to attract investment/resources, often measured via performance indices (e.g., NITI Aayog's indices).
Concurrent List: The Seventh Schedule's List III — subjects on which both Parliament and state legislatures can legislate; Central law prevails in case of conflict (Article 254), subject to exceptions.
Cooperative Federalism: Centre and states working jointly toward shared goals through institutions like the GST Council, NITI Aayog's Governing Council, and the Inter-State Council.
Coram: The minimum number of members required to be present to constitute a valid meeting (see "Quorum").
Cut Motion: A parliamentary device used during budget discussions to reduce a demand for grants (Policy Cut, Economy Cut, Token Cut).
Delimitation: The process of redrawing electoral constituency boundaries, done by the Delimitation Commission (a separate temporary body, distinct from the ECI).
Dyarchy: "Rule of two" — division of governmental subjects into categories with differing degrees of ministerial responsibility (introduced provincially by the 1919 Act, at the Centre — never operational — by the 1935 Act).
Effective Majority: Majority of the effective (non-vacant) strength of a House — used, e.g., for Vice-President's removal in the Rajya Sabha.
Emergency Provisions: Part XVIII (Articles 352-360), allowing the Union to assume enhanced powers during war, constitutional breakdown in a state, or financial crisis.
Federalism: A system of government with a division of powers between a central authority and constituent units, each deriving authority from the Constitution.
Fiscal Federalism: The financial dimension of Centre-state relations, encompassing tax devolution, grants-in-aid, and borrowing powers.
Golden Triangle: The interconnected reading of Articles 14, 19, and 21, established in Maneka Gandhi v. Union of India (1978).
Habeas Corpus: "You may have the body" — a writ to produce a detained person before a court to examine the legality of their detention.
Impeachment: The formal process for removing the President (Article 61) for "violation of the Constitution."
Judicial Activism: Courts actively shaping public policy or filling legislative gaps through expansive interpretation, often via PIL.
Judicial Review: The power of courts to examine and, if necessary, invalidate legislative/executive actions inconsistent with the Constitution.
Locus Standi: The legal standing/right of a party to bring a case before a court — traditionally required only an aggrieved party, relaxed significantly by PIL.
Mandamus: "We command" — a writ directing a public authority to perform a legal duty it has failed to perform.
Model Code of Conduct (MCC): ECI guidelines governing the conduct of political parties/candidates during elections; effective from the announcement of elections.
No-Confidence Motion: A motion in the Lok Sabha (requiring 50 members' support to be admitted) that, if passed, obliges the Council of Ministers to resign.
Ordinance: A law promulgated by the President (Art. 123) or Governor (Art. 213) when the legislature is not in session; must be approved by the legislature within 6 weeks of reassembly.
Original Jurisdiction: A court's power to hear a case in the first instance (not on appeal) — e.g., the Supreme Court's Article 131 jurisdiction over Centre-state disputes.
Pocket Veto: The President's inaction on a bill (neither assenting, rejecting, nor returning it) — possible because no time limit is specified for action on an ordinary bill.
Preventive Detention: Detention without trial to prevent a person from committing a prospective offence, subject to safeguards under Article 22.
Prohibition: A writ issued by a higher court to stop a lower court/tribunal from proceeding in excess of its jurisdiction.
Prorogation: The formal ending of a session of a legislative House by the President/Governor, without dissolving the House itself.
Public Interest Litigation (PIL): A judicial innovation relaxing locus standi, allowing public-spirited persons to approach courts on behalf of those unable to do so themselves.
Quasi-Federal: A descriptive term (associated with K.C. Wheare) for India's constitutional structure — federal in form but with significant unitary features/bias.
Quo Warranto: "By what authority" — a writ questioning the legality of a person's claim/right to hold a public office.
Quorum: The minimum number of members whose presence is necessary to conduct business in a House — 1/10th of total membership for Parliament (Article 100).
Residuary Powers: Legislative power over subjects not enumerated in any of the three Lists of the Seventh Schedule — vests with Parliament in India (Article 248), unlike the US model (states).
Rule of Law: The principle that all persons and authorities, including the government, are subject to and accountable under the law — part of the basic structure.
Special Majority: Majority of the total membership of a House AND 2/3rd of members present and voting — required for most constitutional amendments (Article 368).
Suspensive Veto: The President's power to return a bill for reconsideration; if Parliament passes it again (with or without changes), the President must give assent.
Unitary System: A system where all power is concentrated in a central government, with sub-national units deriving their authority from and subordinate to the centre (in contrast to federalism).
Writ Jurisdiction: The power of the Supreme Court (Art. 32) and High Courts (Art. 226) to issue the five prerogative writs for enforcement of rights.
Zero Hour: An Indian parliamentary innovation immediately following Question Hour, where MPs raise urgent matters without prior notice — not formally defined in the Rules of Procedure, but a well-established convention.
Solved Example (UPSC Prelims-Format MCQ)
Q1. Which of the following terms best describes the Indian Constitution's federal structure, characterized as federal in form but with significant unitary features? (a) Confederation (b) Quasi-federal (c) Unitary (d) Pure federation Answer: (b)
Practice Set (Exam-Format MCQs)
Q1. Which term describes an MP's or MLA's expulsion from the legislature for switching political parties? (a) Impeachment (b) Defection-based disqualification (c) Prorogation (d) Recall Answer: (b)
Q2. The term "golden triangle" in Indian constitutional law refers to the interconnected reading of which Articles? (a) Articles 12, 13, 14 (b) Articles 14, 19, 21 (c) Articles 32, 226, 141 (d) Articles 352, 356, 360 Answer: (b)
Q3. Which term describes the President's inaction on a bill, given no constitutional time limit for acting on ordinary bills? (a) Absolute veto (b) Suspensive veto (c) Pocket veto (d) Qualified veto Answer: (c)
Q4. "Prorogation" of a legislative House means: (a) Permanent dissolution (b) Formal ending of a session without dissolving the House (c) Suspension of a member (d) Removal of the presiding officer Answer: (b)
Q5. Which writ is used to test the legality of a detention? (a) Mandamus (b) Habeas Corpus (c) Certiorari (d) Prohibition Answer: (b)
Q6. "Residuary powers" in the Indian context vest with: (a) The states (b) Parliament/the Union (c) The Supreme Court (d) The Election Commission Answer: (b)
Chapter 17 Quick Revision Sheet
Treat this glossary as your final "word-association" check before the exam — for every term, you should be able to state (a) its one-line definition and (b) at least one Article/case/amendment it connects to.