Basic Structure Doctrine

The Basic Structure Doctrine is a judicial principle holding that while Parliament can amend the Constitution under Article 368, it cannot alter or destroy its 'basic structure' or essential features. It emerged from a long tug-of-war between Parliament and the judiciary over the limits of the amending power, and today stands as one of the most important safeguards of India's constitutional identity.

Background — the tug of war

Earlier cases set the stage: in Shankari Prasad (1951) and Sajjan Singh (1965), the Court held Parliament could amend any part, including Fundamental Rights. In Golaknath (1967), it reversed course, ruling that Fundamental Rights could not be amended. Parliament responded with the 24th, 25th and other amendments to reassert its power, setting up the decisive confrontation.

The Kesavananda Bharati case

In Kesavananda Bharati v. State of Kerala (1973), a 13-judge bench — the largest in the Supreme Court's history — laid down by a 7:6 majority that Parliament's amending power under Article 368 is wide but not unlimited: it can amend any part of the Constitution, including Fundamental Rights, but it cannot alter or destroy the Constitution's 'basic structure'. This overruled Golaknath and struck a balance between parliamentary sovereignty and constitutional supremacy.

What counts as 'basic structure'

There is no exhaustive list; the courts decide case by case. Features recognised as part of the basic structure include the supremacy of the Constitution, the rule of law, the sovereign, democratic and republican nature of the polity, separation of powers, judicial review, federalism, secularism, the principle of free and fair elections, the harmony between Fundamental Rights and Directive Principles, and the independence of the judiciary.

Significance and later cases

The doctrine has been reaffirmed and expanded — in Indira Nehru Gandhi v. Raj Narain (1975), Minerva Mills (1980, which struck down parts of the 42nd Amendment), Waman Rao (1981) and I.R. Coelho (2007, which subjected laws in the Ninth Schedule to basic-structure review). It empowers the judiciary to review even constitutional amendments, acting as a permanent check that protects the Constitution's core identity from transient majorities.

Landmark applications of the doctrine

The doctrine has repeatedly been used to strike down amendments and laws. In Indira Nehru Gandhi v. Raj Narain (1975), the Court invalidated a clause of the 39th Amendment that tried to place the Prime Minister's election beyond judicial scrutiny, holding that free and fair elections and judicial review are part of the basic structure. In Minerva Mills (1980), it struck down parts of the 42nd Amendment that had sought to make amendments immune from review, affirming that limited amending power and judicial review are themselves basic features. In S.R. Bommai (1994), secularism and federalism were recognised as basic structure, and most recently, in 2015, the Court struck down the 99th Amendment and the NJAC Act, holding that the independence of the judiciary is part of the basic structure.

Significance, criticism and global influence

The Basic Structure Doctrine is celebrated as a safeguard that prevents any transient parliamentary majority from dismantling the Constitution's core — a protection that proved crucial around the Emergency period. Critics, however, argue that it is judicial overreach: since 'basic structure' is nowhere defined and the list is open-ended, unelected judges gain wide discretion to override the elected legislature, raising questions about the separation of powers. Supporters counter that this discretion is the price of protecting constitutionalism from majoritarian abuse. The doctrine has also been globally influential, inspiring courts in countries such as Bangladesh, Pakistan and Uganda, making it one of independent India's most significant contributions to constitutional law.

Why it matters for UPSC

The 1973 Kesavananda case, the size of the bench, Article 368 and examples of basic-structure features are staples of Polity Prelims questions and essential for Mains answers on judicial review, separation of powers and the amending power.