Minerva Mills v. Union of India: how the Supreme Court rolled back the Forty-second Amendment's attack on judicial review

The Supreme Court's judgment of 31 July 1980 in Minerva Mills Ltd. v. Union of India — reported as (1980) 3 SCC 625 and AIR 1980 SC 1789 — is the operative authority on the limits of Parliament's amending power and on the harmony between the Fundamental Rights and the Directive Principles. A five-judge Constitution Bench of Chief Justice Y.V. Chandrachud and Justices A.C. Gupta, N.L. Untwalia, P.N. Bhagwati and P.S. Kailasam held, by 4:1, that Sections 4 and 55 of the Constitution (Forty-second Amendment) Act, 1976 were unconstitutional. Justice Bhagwati dissented on portions of the holding.

The judgment is doctrinally consequential on three connected propositions. The first is that judicial review is part of the basic structure of the Constitution — and Parliament cannot, by amendment, immunise its own amending acts from judicial review. The second is that Parliament's amending power under Article 368 is itself a limited power; the limits include the basic structure of the Constitution as articulated in Kesavananda Bharati v. State of Kerala (1973). The third is that the harmony between the Fundamental Rights in Part III and the Directive Principles in Part IV is itself part of the basic structure; the Directive Principles cannot be elevated, by amendment, to a position of constitutional priority that would foreclose substantive scrutiny under the Fundamental Rights.

The Forty-second Amendment

The Constitution (Forty-second Amendment) Act, 1976 — enacted in the closing months of the Emergency — had been the most extensive constitutional amendment in the Republic's history. Among its many provisions were two that directly engaged with the constitutional architecture for amendment and for judicial review.

Section 4 of the Forty-second Amendment had recast Article 31C of the Constitution. Article 31C — as originally inserted by the Twenty-fifth Amendment in 1971 — had immunised laws giving effect to the Directive Principles under Articles 39(b) and 39(c) from challenge on the grounds of Articles 14, 19 and 31. The Section 4 amendment had extended this immunity to all laws giving effect to all the Directive Principles. The effect would have been to remove a wide range of legislation from challenge on the principal Fundamental Rights grounds.

Section 55 of the Forty-second Amendment had inserted clauses (4) and (5) into Article 368. The new clauses had purported to declare that no amendment to the Constitution under Article 368 shall be called in question in any court on any ground; and that for the avoidance of doubt, there shall be no limitation whatever on the constituent power of Parliament under Article 368.

Read together, the two provisions had operated as a significant attack on the architecture that Kesavananda Bharati had established. The basic structure doctrine had constrained Parliament's amending power; the Section 55 amendment purported to lift that constraint. The Fundamental Rights had supplied constraints on Directive-Principle-grounded legislation; the Section 4 amendment purported to remove those constraints.

The constitutional challenge

The petitioners — including Minerva Mills Ltd., a textile undertaking whose nationalisation was the substantive context of the litigation — challenged the constitutional validity of Sections 4 and 55. The challenge rested on the basic structure doctrine that Kesavananda Bharati had articulated.

The challenge to Section 55 was structurally important. The Section purported to declare that Parliament's amending power was unlimited — and that no amendment could be reviewed. The challenge contended that the doctrine of basic structure operated as a constitutional limit, and that the Section's attempt to displace that limit by amendment was self-defeating: an amendment that purported to remove the basic structure constraint would itself violate the basic structure.

The challenge to Section 4 contended that the harmony between Fundamental Rights and Directive Principles was itself part of the basic structure. The constitutional architecture — which read Parts III and IV together, with neither being permitted to displace the other — could not be amended to give one comprehensive priority over the other.

The Court's reasoning

The Bench held both Sections unconstitutional. The reasoning rested on three connected propositions.

On Section 55 and judicial review. The Bench held that judicial review of the constitutional validity of constitutional amendments is part of the basic structure. The basic structure doctrine — articulated in Kesavananda Bharati — operates as a constitutional limit on Parliament's amending power; an amendment that purports to remove the limit is self-defeating, because the constitutional architecture that confers the amending power on Parliament is the same architecture that supplies the basic structure limit. Parliament's constituent power is bound by the constitutional limits within which it operates.

The Court's articulation of the position — that Parliament's amending power is itself a limited power, and that the basic structure doctrine operates as the limit — is among the most consequential constitutional propositions of the post-Independence period.

On Section 4 and the harmony doctrine. The Bench held that the harmony between the Fundamental Rights in Part III and the Directive Principles in Part IV is itself part of the basic structure. The constitutional architecture had been designed with both Parts operating together: the Fundamental Rights as enforceable guarantees and the Directive Principles as guiding principles of State action. The Section 4 amendment — which would have given all Directive Principles legislative priority over Articles 14, 19 and 31 — destroyed the harmony by elevating one Part over the other.

The doctrinal frame of the harmony proposition operates on the proposition that neither Part III nor Part IV is exhaustive of constitutional values, and that legislative action must operate within the architecture that both Parts together establish. The constitutional design contemplates an active interaction between Fundamental Rights and Directive Principles; the amendment that displaced the interaction was held unconstitutional.

On the constitutional architecture as a whole. The Bench's reasoning across both Sections is unified by a common doctrinal frame: that the Constitution has an architecture, that the architecture has constitutionally recognised features (including the basic structure that Kesavananda identified), and that Parliament's amending power must respect those features. The amendment that purports to remove the features is unconstitutional regardless of the procedural compliance with Article 368.

The Bhagwati dissent

Justice P.N. Bhagwati dissented on portions of the holding. The dissent's principal proposition was that Section 4 — though doctrinally over-broad — did not, in fact, violate the basic structure. The Section's operation was to extend the existing Article 31C architecture to additional Directive Principles; the architecture had been upheld in Kesavananda Bharati (for the original Article 31C) and the extension did not, on the dissenter's reading, produce a constitutional infirmity that required the Section to be struck down.

The dissent did not engage closely with the Section 55 question; on the architecture of judicial review, the dissent was broadly consistent with the majority position.

The Bhagwati dissent has had a complex post-Minerva Mills doctrinal afterlife. Justice Bhagwati's broader articulation in subsequent cases — including the Article 21 line — operated within the constitutional architecture that the Minerva Mills majority had established.

The doctrinal arc

Minerva Mills sits in a constitutional line on basic structure and on the relationship between Parliament's amending power and the constitutional architecture.

The line begins with Sankari Prasad Singh Deo v. Union of India (1951) and Sajjan Singh v. State of Rajasthan (1965) — the early rulings that had read Parliament's amending power as unconstrained. It continues through I.C. Golak Nath v. State of Punjab (1967) — the first attempt to constrain the amending power. It includes Kesavananda Bharati v. State of Kerala (1973) — which articulated the basic structure doctrine as the constitutional limit on the amending power. It includes Indira Nehru Gandhi v. Raj Narain (1975) — the first application of the doctrine in striking down a constitutional amendment.

Minerva Mills is the foundational subsequent application of the basic structure doctrine. Waman Rao v. Union of India (1981) clarified the application of the doctrine to amendments inserting laws into the Ninth Schedule. S.R. Bommai v. Union of India (1994) extended the doctrine to secularism. I.R. Coelho v. State of Tamil Nadu (2007) — the nine-judge Bench on Ninth Schedule judicial review — read the doctrine in the Ninth Schedule architecture. The line continues into the present, with Property Owners Association v. State of Maharashtra (2024) and other engagements.

What practitioners take from the judgment today

For constitutional litigators, Minerva Mills is the operative authority on judicial review of constitutional amendments and on the harmony doctrine between Fundamental Rights and Directive Principles. Every constitutional challenge to a constitutional amendment engages — at some level — with the architecture that Minerva Mills established.

For the broader constitutional bar, the judgment is the authoritative articulation of the proposition that Parliament's amending power is itself a limited power. The doctrinal frame — that the limits are constitutional, that they are articulated through the basic structure doctrine, and that they are enforceable through judicial review — applies across the constitutional architecture.

For the political branches, the judgment is the institutional constraint within which constitutional amendment proceeds. The institutional awareness of the basic structure limit — and of the harmony doctrine — has been one of the constitutional disciplines of the post-Emergency period.

What the judgment did not decide

Three limits should be flagged.

First, the judgment did not exhaustively articulate the content of the basic structure or of the harmony between Fundamental Rights and Directive Principles. The doctrines have been developed case by case in the post-Minerva Mills line.

Second, the judgment did not address the relationship between the basic structure doctrine and the ordinary legislative power — that is, the power to enact legislation that operates within (rather than amends) the constitutional architecture. The doctrinal frame for the basic structure as a constraint on ordinary legislation has been engaged with in subsequent cases.

Third, the judgment did not resolve all the questions on the substantive content of Article 31C. The Article continues to operate, in its post-Minerva Mills form, as the immunisation provision for Article 39(b) and (c) legislation. The substantive scope of that immunisation — including after Property Owners Association (2024) — has been engaged with separately.

Related editorial pieces

• Kesavananda Bharati v. State of Kerala: the basic structure doctrine
• S.R. Bommai v. Union of India: Article 356, judicial review, and secularism as basic structure
• Property Owners Association v. State of Maharashtra: Article 39(b) and 'material resources of community'
• ADM Jabalpur v. Shivkant Shukla: Emergency habeas corpus and the Khanna dissent
• Maneka Gandhi v. Union of India: the rebuilding of Article 21