Supreme Court of India

The State of Tamil Nadu v. The State of Karnataka

Neutral citation
Reported as [2026] 2 S.C.R. 285
Bench Vikram Nath and N.V. Anjaria JJ.
Decided 2 February 2026

INSC stands for INDIAN SUPREME COURT. A neutral citation scheme assigned by the Court itself, so a judgment can be cited without depending on a commercial law reporter. INSC is the neutral citation scheme assigned by the Supreme Court, so a judgment can be cited without depending on a commercial law reporter.

From the headnote

Issue for Consideration Matter pertains to dispute as regards the sharing of the waters of the Pennaiyar River between the State of Tamil Nadu and the State of Karnataka. Headnotes† Inter-State River Water Disputes Act, 1956 – ss.3, 4 – Inter- State River Pennaiyar – Dispute as regards the sharing of the waters of the Pennaiyar River and arising from the alleged construction of a check dam/diversion by the State of Karnataka-defendant-State on the said river, impeding the free flow of water, thereby depriving the State of Tamil Nadu-plaintiff-State of the benefits of the river waters flowing

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