Indian Polity & Governance

Inter-State Disputes

Indian Polity & Governance·Landmark Judgments

River Water Disputes — Landmark Judgments

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Version 1Updated 5 Mar 2026

Landmark Judgments

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

2018

The Supreme Court modified the Cauvery Water Disputes Tribunal award, reducing Karnataka's allocation by 14.75 TMC and increasing Tamil Nadu's share. The judgment established the…

Sardar Sarovar Narmada Nigam Ltd. v. Madhya Pradesh

2000

This landmark judgment addressed the environmental and rehabilitation aspects of the Narmada project while upholding the tribunal award. The Court established principles for…

State of Haryana v. State of Punjab (SYL Canal Case)

2016

The Supreme Court addressed the long-standing dispute over the Sutlej-Yamuna Link Canal construction, emphasizing that states cannot unilaterally withdraw from tribunal awards or…

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