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Minerva Mills v Union of India Case: Facts, Judgment & Significance

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By Herus
August 28, 2026 4 min read

The Minerva Mills v Union of India case is a landmark decision on the Basic Structure Doctrine and the limits of Parliament’s power to amend the Constitution. The Supreme Court examined whether Parliament could give unlimited priority to the Directive Principles of State Policy and remove judicial review of constitutional amendments.

Facts of Minerva Mills v Union of India

Minerva Mills was a textile company in Karnataka. The government nationalised the company under the Sick Textile Undertakings (Nationalisation) Act, 1974. Minerva Mills and its shareholders challenged the takeover and questioned the constitutional validity of certain provisions.

The challenge also focused on the 42nd Constitutional Amendment Act, 1976. The petitioners argued that Parliament had exceeded its constitutional power by attempting to make its amending power unlimited.

Two provisions became especially important. Section 4 of the 42nd Amendment expanded Article 31C and gave broad priority to Directive Principles over certain Fundamental Rights. Section 55 amended Article 368 and sought to establish that Parliament’s power to amend the Constitution was unlimited and could not face judicial review.

Issues

The Supreme Court considered two main questions. First, could Parliament use Article 368 to give itself an unlimited power to amend the Constitution? Second, could the Directive Principles receive absolute priority over Fundamental Rights?

The case also raised an important question about judicial review. Could a constitutional amendment prevent courts from examining whether Parliament had exceeded its constitutional powers?

Judgment

The Supreme Court decided the case on 31 July 1980 through a Constitution Bench. The Court struck down the challenged provisions of the 42nd Amendment.

The Court held that Parliament has a limited power to amend the Constitution. Parliament cannot use that power to remove the limitations placed on its own amending authority. In simple terms, the power to amend the Constitution does not include the power to destroy its basic structure.

The Court also rejected the attempt to give the Directive Principles complete and unconditional priority over Fundamental Rights. According to the judgment, the Constitution requires a balance and harmony between Fundamental Rights and Directive Principles.

The Court further recognised judicial review as an essential feature of the Constitution. Parliament cannot use a constitutional amendment to completely remove the courts’ power to examine constitutional questions.

Ratio Decidendi

The core reasoning of the judgment rests on three principles. First, Parliament’s power under Article 368 is limited. That limitation itself forms part of the Constitution’s basic structure.

Second, judicial review is a basic feature of the Constitution. Constitutional amendments cannot completely exclude the courts from reviewing constitutional validity.

Third, the Constitution requires harmony between Fundamental Rights and Directive Principles of State Policy. Giving one an absolute position at the expense of the other would disturb this constitutional balance.

Basic Structure Doctrine

The Minerva Mills case strengthened the Basic Structure Doctrine established earlier in Kesavananda Bharati v. State of Kerala. The doctrine prevents Parliament from using its constitutional amendment power to destroy the fundamental identity of the Constitution.

The Court’s reasoning also placed an important limit on parliamentary power. A constitutional majority does not give Parliament unlimited authority to change the Constitution. The amendment process must remain within the basic framework of the Constitution.

Significance

The Minerva Mills v Union of India case remains one of the most important constitutional law decisions in India. It reaffirmed that the Constitution remains supreme and that Parliament’s amending power has constitutional limits.

The judgment also clarified the relationship between Fundamental Rights and Directive Principles. Rather than treating one as completely superior to the other, the Court stressed the importance of maintaining harmony between them.

Most importantly, the case strengthened judicial review and the Basic Structure Doctrine. It confirmed that even constitutional amendments can face judicial scrutiny when they threaten the basic structure of the Constitution.

Case Citation: Minerva Mills Ltd. & Ors. v. Union of India & Ors., AIR 1980 SC 1789.

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