Mekedatu Project: Dispute Between Tamil Nadu and Karnataka

Recently, the Tamil Nadu Assembly unanimously adopted a resolution opposing the Mekedatu project across the Cauvery River. This dispute is crucial for UPSC aspirants as it pertains to water management and inter-state relations, relevant to GS Paper 2. Last Updated: 23-06-2026

Key Facts About the Mekedatu Project

• The Mekedatu project is proposed by Karnataka across the Cauvery River, near Mekedatu in the Ramanagara district.
• It is designed as a balancing reservoir to regulate the river's flows and improve water management.
• The project aims to meet the drinking water requirements of Bengaluru and surrounding areas.
• It plans to regulate water releases to Tamil Nadu at the Biligundlu point.
• The project includes generating 400 MW of hydroelectric power.
• In November 2025, the Supreme Court rejected Tamil Nadu’s legal challenge, emphasizing the need for expert examination by bodies like the Cauvery Water Management Authority (CWMA) and the Central Water Commission (CWC).

India's Water Management Challenges

The Mekedatu project highlights the broader challenges of water management in India, a critical aspect of the nation's economic and strategic goals. Efficient water management is vital for sustaining agricultural productivity, urban water supply, and energy generation. India's ranking in global water management indices underscores the need for innovative solutions and cooperative inter-state relations.

UPSC Relevance

• GS Paper 2: Inter-state relations and water management.
• Prelims: Questions on the location and significance of the Mekedatu project, key features of the Cauvery River.
• Mains: Analytical themes on inter-state water disputes, cooperative federalism, and sustainable water management strategies.
• Essay Paper: Themes on water as a critical resource and inter-state cooperation.

FAQ Section

• What is the Mekedatu Project? The Mekedatu project is a proposed balancing reservoir by Karnataka on the Cauvery River, aimed at improving water management and generating hydroelectric power.
• Why is the Mekedatu Project important? It is crucial for meeting the drinking water needs of Bengaluru and regulating water releases to Tamil Nadu, impacting inter-state relations.
• What are the key features of the Mekedatu Project? The project includes a balancing reservoir, aims to generate 400 MW of hydroelectric power, and addresses water management needs in Karnataka.