The Kalasa-Banduri Nala is a project undertaken by the Government of Karnataka to improve drinking water supply to the Districts of Belagavi, Bagalkot, Dharwad and Gadag. It involves building across Kalasa and Banduri, two tributaries of the Mahadayi river to divert 7.56 TMC of water to the Malaprabha river, which supplies the drinking water needs of the said 4 districts, i.e., Dharwad, Belagavi Bagalkot and Gadag. This project had been on paper for decades and the Karnataka government decided to implement it during S M Krishna's regime. Clearance for the project was received from the center in 2002. The project however, soon ran into trouble when the then Bharatiya Janata Party (BJP) government of Goa headed by Manohar Parrikar raised objections to the project claiming that the project would harm Goa's flora and fauna. Following this, the then National Democratic Alliance (NDA) government which was in power at the center put on hold its approval and funding of the project.