Why it is in the news
On 24 September 2026, a Supreme Court Bench headed by Justice Vikram Nath gave Karnataka one week to respond to Tamil Nadu’s plea alleging a shortfall of about 20 TMC (thousand million cubic feet) of Cauvery water this season, and listed the case for 12 October.
The exam angle
Issue: A tribunal award and Supreme Court judgment fix normal-year shares, but no transparent mechanism governs sharing in a deficit monsoon — so every drought year ends in court.