Karnataka seeks reopening of Cauvery allocation in changed circumstances
Quick dive
- Karnataka told the Supreme Court that the Cauvery allocation should be revisited because of inequitable allocation and changed circumstances.
- Its response invoked the international-law doctrine rebus sic stantibus, under which arrangements may be revisited when fundamental circumstances change.
- The 2018 Supreme Court judgment, following the tribunal award, allocated 284.75 tmc ft to Karnataka, 404.25 tmc ft to Tamil Nadu, 30 tmc ft to Kerala and 7 tmc ft to Puducherry.
- The allocation was based on a basin yield of 740 tmc ft at 50% dependability at Lower Coleroon Anicut, with proportional distress sharing envisaged in low-yield years.
- exam_relevance: tests the allocation figures, 50% dependability and proportional distress-sharing mechanism in the Cauvery dispute; UPSC Prelims 2016 asked about the Cauvery Water Disputes Tribunal award and Mains repeatedly tests federal water disputes, so the State’s specific reopening claim is directly examinable.
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