The State Of Tamil Nadu vs The State Of Karnataka

The Supreme Court examined a dispute between Tamil Nadu and Karnataka regarding the construction of dams and diversion structures across the Pennaiyar river and its tributaries. Tamil Nadu contended that Karnataka's unilateral actions without prior consent violated its fundamental rights and sought an injunction. The Court analyzed the legality of the construction activities under constitutional principles and water-sharing laws, emphasizing the importance of prior consent and interstate water management. The judgment underscores the need for cooperative regulation of transboundary water resources.