Basic Structure Doctrine: Meaning, Evolution (Kesavananda Bharati) and UPSC PYQs

Background: the property cases

The basic structure doctrine was born out of a fight over land reform. In Shankari Prasad (1951) and Sajjan Singh (1965) the Supreme Court held that Parliament could amend any part of the Constitution, including Fundamental Rights. In I.C. Golaknath (1967) an eleven-judge bench reversed this by a 6-5 majority, ruling that an amendment is “law” under Article 13 and cannot take away Fundamental Rights. Parliament answered with the 24th Amendment (1971), which said that Article 13 does not apply to amendments made under Article 368. The stage was set for Kesavananda Bharati.

What is the basic structure doctrine?

It is a judge-made limit on the amending power. Parliament’s power under Article 368 is “constituent” but not unlimited: an amendment that damages the Constitution’s identity can be struck down. The doctrine therefore makes the Supreme Court the final guardian of the Constitution’s core.

How the doctrine evolved

Elements identified as basic structure (illustrative)

Supremacy of the Constitution; republican and democratic form of government; secular character; separation of powers; federal character; unity and integrity of the nation; judicial review; independence of the judiciary; rule of law; free and fair elections; parliamentary system; limited amending power; harmony between Fundamental Rights and Directive Principles; welfare state. The list is open-ended. It grows only through judgments.

Significance and criticism

Significance: it protects the Constitution from being rewritten by a temporary majority (the 39th and 42nd Amendments of the Emergency years were the trigger). Criticism: the features are not in the text, which gives unelected judges a large say, and the doctrine is uncertain because the list is open. In Mains, present both and conclude with how the doctrine has worked as a stabiliser of constitutional democracy.

Landmark cases at a glance

How the courts apply the test

The Court does not keep a closed list. It asks whether an amendment destroys the identity of the Constitution, often through the “width and identity” tests: how wide is the power the amendment creates, and does the Constitution remain recognisably the same after it? Not every change to an important provision fails. In M. Nagaraj (2006) the Court upheld amendments on reservation in promotion, and in Janhit Abhiyan (2022) it upheld the 103rd Amendment on EWS reservation by a majority. The doctrine applies to constitutional amendments; ordinary laws are tested against the text of the Constitution itself.

Beyond India

The doctrine has travelled. Bangladesh’s Supreme Court relied on it in the Anwar Hossain Chowdhury case (1989), and courts in countries such as Kenya and Belize have used similar ideas of unamendable core values. Germany’s Basic Law takes another route, with an “eternity clause” (Article 79(3)) written into the text. India’s version is unusual because it is entirely judge-made.

The debate for Mains

• For: protects democracy, rights and the rule of law from a temporary majority, as the Emergency years showed.
• Against: it is not in the text, its content is decided by unelected judges, and it can be seen as counter-majoritarian.
• Balance: the doctrine has been used sparingly to strike down amendments, which suggests restraint rather than routine interference.

Basic Structure Doctrine: UPSC angle

Basic Structure Doctrine UPSC PYQs (Prelims)

Questions UPSC has actually asked, from the official papers. Pick an option to check yourself.

Mains PYQs on this topic

Questions from the official UPSC Mains papers (2023-2026 in the Battle IAS Mains bank), newest first. Each links to a model answer.

1. UPSC Mains 2025 · GS Paper II · Q12 · 15 marks

   Indian Constitution has conferred the amending power on the ordinary legislative institutions with a few procedural hurdles. In view of this statement, examine the procedural and substantive limitations on the amending power of the Parliament to change the Constitution.

   Model answer and approach

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