Ganga is the most sacred river to Hindus and is worshipped as the goddess Ganga.
It is the longest and the second largest tributary river of the Ganges.
Lives of many millions of Indian and Bangladeshi citizens are reliant on the Brahmaputra river.
Its water is mainly used for irrigation and drinking purposes.
The Godavari is India's second longest river after the Ganga.
The Krishna River is the fourth-biggest river in terms of water inflows and river basin area in India.