Indian Polity & Governance·Landmark Judgments

Inter-State Disputes — Landmark Judgments

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Version 1Updated 5 Mar 2026

Landmark Judgments

State of Bihar v. State of West Bengal

1964

This landmark case established crucial principles regarding inter-state trade and commerce disputes under Article 131. The Supreme Court clarified that states cannot impose…

State of West Bengal v. Union of India (Berubari Union Case)

1960

This case clarified the constitutional procedures for territorial adjustments between states and countries. The Supreme Court held that Parliament's power to form new states or…

State of Karnataka v. State of Tamil Nadu (Cauvery Water Dispute)

2018

This comprehensive judgment addressed decades-old water sharing disputes and clarified the relationship between tribunal awards and Supreme Court jurisdiction. The Court…

State of Haryana v. State of Punjab

2002

This case dealt with the complex Ravi-Beas water dispute and established important principles about inter-state agreements and their enforceability. The Court clarified that…

State of Rajasthan v. Union of India

1977

This case established the principle that Article 131 jurisdiction requires the existence of a legal right and cannot be invoked for purely political or policy disputes. The Court…

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