Krishna River: Source of Krishna River is at Mahabaleswar in Maharashtra and the length of Krishna River is 1300 km making it the third largest river in India after Ganga and Godavari. It flows through the Indian state of Maharashtra, Karnataka, Telangana, and Andhra Pradesh and then empties into Bay of Bengal. Tungabhadra and Bhima are major tributaries and Vijayawada is the largest city on its banks. Nagarjuna Sagar Dam, the world’s largest masonry dam and India’s largest dam in length is built across Krishna River.