Overview The Supreme Court has termed Tamil Nadu’s application challenging Karnataka’s proposal to build a dam across the Cauvery at Mekedatu as “premature”. This observation has sparked criticism from opposition parties in Tamil Nadu, including the AIADMK and PMK , who accuse the DMK government of failing to adequately protect the state's interests in the Cauvery River dispute. Key Developments Supreme Court Observation: The court stated that Tamil Nadu's application was premature and refused to entertain it. However, it clarified that affected parties, including Tamil Nadu, are free to take measures in accordance with the law if the Detailed Project Report (DPR) is approved. AIADMK Criticism: Edappadi K. Palaniswami , AIADMK general secretary, expressed shock and disappointment, alleging that the DMK government did not present strong arguments against the project and is more concerned with business interests in Karnataka. PMK's Stand: Anbumani Ramadoss , PMK president, stated that the Supreme Court’s observation provides an opportunity for the Centre to review the DPR for the project. He criticized the DMK for suffering a defeat in safeguarding the state's rights over the Cauvery. Call for Review Petition: Both AIADMK and PMK have urged the DMK government to file a review petition, present strong arguments, and safeguard the rights of the state. Political Reactions Edappadi K. Palaniswami (AIADMK) In a post on X, Mr. Palaniswami described the Supreme Court’s observation as shocking and disappointing. He accused the DMK government, led by M.K. Stalin , of prioritizing business interests in Karnataka over the rights of Tamil Nadu. He urged the government to take appropriate measures to uphold the state's rights. Anbumani Ramadoss (PMK) In a separate statement, Dr. Anbumani Ramadoss said the Supreme Court’s observation had created an opportunity for the Centre to review the DPR for the project. He criticized the DMK for not putting forth appropriate arguments and suffering a significant defeat in safeguarding the state's rights over the Cauvery. He termed the verdict as dangerous and favorable to Karnataka. UPSC Relevance This news is relevant to GS2 (Inter-State Relations, Government Policies and Interventions) and GS3 (Infrastructure Development, Water Resources) . The Cauvery River dispute is a long-standing issue that highlights the complexities of inter-state water sharing and the role of the judiciary in resolving such conflicts. The Mekedatu project is a specific instance that can be used to illustrate these issues. Key Terms Mekedatu Project: A proposed dam project by Karnataka across the Cauvery River, intended to provide drinking water to Bengaluru and generate electricity. Detailed Project Report (DPR): A comprehensive document outlining all aspects of a project, including technical, financial, and environmental details. Cauvery River Dispute: A long-standing water-sharing conflict between Karnataka and Tamil Nadu, involving issues of riparian rights and water management. Review Petition: A legal recourse to request the Supreme Court to review its judgment, filed within a specific timeframe. Possible Exam Questions Analyze the implications of the Supreme Court's observation on the Mekedatu project for inter-state relations. Evaluate the DMK government's handling of the Cauvery River dispute and its impact on Tamil Nadu's interests. Discuss the role of the central government in resolving inter-state water disputes and ensuring equitable water distribution. Critically examine the environmental and socio-economic impacts of the Mekedatu project on the Cauvery River basin.