Article 13 of the Constitution of India is the textual foundation of judicial review in the Indian constitutional scheme. Situated at the opening of Part III, it operates as the enforcement clause for the fundamental rights that follow, declaring that the State may not legislate in contravention of those guarantees. Article 13(1) addresses pre-Constitution laws, providing that all laws in force in the territory of India immediately before the commencement of the Constitution on 26 January 1950, insofar as they are inconsistent with Part III, are void to the extent of such inconsistency. Article 13(2) addresses prospective law-making, directing that the State shall not make any law which takes away or abridges the fundamental rights, and that any law made in contravention is void to the extent of the contravention. Article 13(3) supplies an expansive definition of "law" — including ordinances, orders, bye-laws, rules, regulations, notifications, customs and usages having the force of law — and of "laws in force," covering enactments passed by competent legislatures even if not then in operation.
The procedural mechanics flow from the distinction between the two operative sub-clauses. Under Article 13(1), the inconsistency of pre-Constitution law operates prospectively from 1950 and does not revive past transactions or render the law void ab initio; this distinction underpins the doctrine of eclipse, articulated in Bhikaji Narain Dhakras v. State of Madhya Pradesh (1955), under which an inconsistent pre-Constitution law is not dead but dormant, eclipsed by the fundamental right, and revives automatically when the constitutional impediment is removed by amendment. Under Article 13(2), by contrast, a post-1950 law that violates a fundamental right is treated as still-born and void ab initio against citizens, a position settled in Deep Chand v. State of Uttar Pradesh (1959). When a court adjudicates a challenge, it applies the doctrine of severability, voiding only the offending portion where it can be separated from the valid remainder, as elaborated in A.K. Gopalan v. State of Madras (1950) and R.M.D. Chamarbaugwala v. Union of India (1957).
A further variant is the doctrine of waiver, which the Supreme Court rejected in Basheshar Nath v. Commissioner of Income Tax (1959), holding that fundamental rights are conferred in the public interest and an individual cannot waive them by consent. Article 13(3)(a)'s inclusion of "custom or usage having the force of law" allowed the judiciary to test personal practices, though the courts have drawn a contested line around uncodified personal laws. The pivotal interpretive battle concerned whether the word "law" in Article 13(2) embraces constitutional amendments made under Article 368. In Shankari Prasad v. Union of India (1951) and Sajjan Singh v. State of Rajasthan (1965) the Court held amendments fell outside Article 13; I.C. Golaknath v. State of Punjab (1967) reversed this, holding amendments were "law" and thus subject to fundamental rights.
The Twenty-fourth Constitutional Amendment Act, 1971 responded to Golaknath by inserting Article 13(4), which provides that nothing in Article 13 shall apply to any amendment made under Article 368, and by amending Article 368 itself. The Supreme Court accepted this insertion in Kesavananda Bharati v. State of Kerala (1973) but simultaneously erected the basic structure doctrine, holding that amending power, though no longer constrained by Article 13, cannot destroy the essential framework of the Constitution. Contemporary application continues through the constitutional courts: the Supreme Court at New Delhi struck down Section 66A of the Information Technology Act in Shreya Singhal v. Union of India (2015) for violating Article 19(1)(a), and invalidated Section 377 of the Indian Penal Code as applied to consensual adult conduct in Navtej Singh Johar v. Union of India (2018) — both invocations of the Article 13 voiding power.
Article 13 must be distinguished from adjacent enforcement provisions. It is the substantive declaration that unconstitutional law is void, whereas Article 32 supplies the remedy, empowering the Supreme Court to issue writs to enforce Part III rights, and Article 226 confers parallel writ jurisdiction on the High Courts. Article 13 should also be distinguished from the Directive Principles in Part IV, which Article 37 declares non-justiciable; a law cannot be struck down merely for offending a Directive Principle. Judicial review under Article 13 is narrower in some respects and broader in others than the American doctrine in Marbury v. Madison (1803), being textually explicit rather than implied.
Edge cases persist around the scope of "State" under Article 12, which determines whose acts Article 13 reaches, and around whether uncodified personal laws constitute "laws in force." In State of Bombay v. Narasu Appa Mali (1952) the Bombay High Court held personal laws fall outside Article 13(1), a precedent questioned in obiter in the Sabarimala and Triple Talaq litigations; the Supreme Court invalidated instantaneous triple talaq in Shayara Bano v. Union of India (2017) but on statutory rather than purely personal-law grounds, leaving the Narasu question open.
For the working practitioner — the desk officer briefing on rights litigation, the researcher mapping constitutional risk, or the diplomat explaining India's rule-of-law architecture — Article 13 is the hinge on which the enforceability of the entire Bill of Rights turns. It converts the fundamental rights from aspirational declarations into operative legal limits binding the legislature and executive, and it frames every constitutional challenge to a statute, rule, or executive order in India, making it indispensable knowledge for anyone analysing Indian governance.
Example
In Shreya Singhal v. Union of India (2015), the Supreme Court of India invoked Article 13(2) to strike down Section 66A of the Information Technology Act as void for violating the free-speech guarantee of Article 19(1)(a).
Frequently asked questions
Article 13(1) governs pre-Constitution laws, rendering them void prospectively from 1950 to the extent of inconsistency with fundamental rights, which permits the doctrine of eclipse. Article 13(2) governs post-1950 laws, treating any contravening enactment as void ab initio against citizens from the moment of its making.
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