- Karnataka has signaled its intent to revisit the Cauvery water allocation consensus, citing the example of the Indus Water Treaty's review. - The state argues that water sharing arrangements must factor in changing climate realities, rainfall deficits, and drinking water priorities. - Inter-state river water disputes between Karnataka and Tamil Nadu remain politically and socially sensitive, requiring institutional mechanisms like CWMA and judicial oversight. - **Indus Water Treaty:** A 1960 water-distribution treaty between India and Pakistan, brokered by the World Bank, governing the Indus river system. Its recent public scrutiny in domestic political discourse is sometimes cited by states seeking treaty reviews due to changing climatic realities. - **Cauvery Water Management Authority:** A statutory, quasi-judicial body created in 2018 under the Ministry of Jal Shakti to implement the modified Cauvery Tribunal award, monitoring reservoir levels and regulating water sharing among basin states. - **Cauvery Water Disputes Tribunal Award:** The final tribunal award delivered in 2007, later modified by the Supreme Court in 2018, allocating specific shares of the Cauvery river water among Karnataka, Tamil Nadu, Kerala, and Puducherry. - **Supreme Court of India:** The apex judicial body in India that holds original jurisdiction under Article 131 for disputes between states and appellate jurisdiction over inter-state water dispute tribunal decisions. **Introduction** Karnataka has signaled an intent to reopen the consensus on Cauvery water allocation, drawing comparisons to the call for reviewing the Indus Water Treaty. The state highlights climate change, drinking water scarcity, and agricultural distress as grounds for revisiting long-standing inter-state water sharing arrangements with Tamil Nadu. **Core Issue and Detailed Points** - Karnataka has signaled its intent to revisit the Cauvery water allocation consensus, citing the example of the Indus Water Treaty's review. - The state argues that water sharing arrangements must factor in changing climate realities, rainfall deficits, and drinking water priorities. - Inter-state river water disputes between Karnataka and Tamil Nadu remain politically and socially sensitive, requiring institutional mechanisms like CWMA and judicial oversight. **Key Statutory Bodies, Acts & Concepts** - **Indus Water Treaty:** A 1960 water-distribution treaty between India and Pakistan, brokered by the World Bank, governing the Indus river system. Its recent public scrutiny in domestic political discourse is sometimes cited by states seeking treaty reviews due to changing climatic realities. - **Cauvery Water Management Authority:** A statutory, quasi-judicial body created in 2018 under the Ministry of Jal Shakti to implement the modified Cauvery Tribunal award, monitoring reservoir levels and regulating water sharing among basin states. - **Cauvery Water Disputes Tribunal Award:** The final tribunal award delivered in 2007, later modified by the Supreme Court in 2018, allocating specific shares of the Cauvery river water among Karnataka, Tamil Nadu, Kerala, and Puducherry. - **Supreme Court of India:** The apex judicial body in India that holds original jurisdiction under Article 131 for disputes between states and appellate jurisdiction over inter-state water dispute tribunal decisions.