List of Major Rivers in India

Sl. No Draining into Additional available surface water (km3) River basin unit Region Catchment area (% of river irrigated India) Average runoff (km3) 1 Bangladesh 250 Ganges (GBM) North 26.5 525.02 2 Bangladesh 24 Brahmaputra (GBM) Northeast 6 537.24 3 Bangladesh Meghna/Barak (GBM) East 1.5 48.36 4 Myanmar,  Bangladesh Other Northeast rivers Northeast 1.1 31 5 Bay of Bengal Subernarekha East-southeast 0.9 12.37 6 Bay of Bengal 6.8 Brahmani-Baitarani East-southeast 1.6 28.48 7 Bay of Bengal 18.3 Mahanadi Central-east 4.4 66.88 8 Bay of Bengal 50 Godavari Central 9.7 110.54 9 76.3 Krishna Central Bay of Bengal 8 78.12 10 8 58 Pennar Southeast Bay of Bengal 1.7 6.32 11 9 6.9 Kaveri South Bay of Bengal 2.5 21.36 12 10 19 East flowing rivers between Mahanadi and Pennar Central-east Bay of Bengal 2.7 22.52 13 11 13.1 East flowing rivers between Kanyakumari and Pennar Southeast Bay of Bengal 3.1 16.46 14 12 16.7 13 11 15 13 24.3 14 12 16 14 11.9 15 13 17 15 14.5 16 14 18 113.53 34.5 17 15 19 87.41 3.1 18 113.53 20 14.88 1.9 West flowing rivers between Kutsh and Saurashtra 7 Arabian Sea 10 Bay of Bengal 19 87.41 21 45.64 15 Rajasthan inland basin Northwest India 0 Bay of Bengal 20 14.88 22 11.02 46 Indus tributaries Northwest Pakistan, India 10 Bay of Bengal 21 45.64 3.81 Total (per International Treaty) 100 Bay of Bengal 22 11.02 15.1 Bay of Bengal Negligible Bay of Bengal 73.31 Bay of Bengal 1869.37 Bay of Bengal West flowing rivers between Tadri and Kanyakumari 1.3 Arabian Sea 1.7 West flowing rivers between Tadri and Kanyakumari Bay of Bengal West flowing rivers between Tapi and Tadri 2 Arabian Sea 1.7 West flowing rivers between Tapi and Tadri Arabian Sea Tapi 3 Arabian Sea 2 Tapi Arabian Sea Narmada 4 Arabian Sea 3.1 Narmada Arabian Sea Mahi 5 Arabian Sea 1.1 Mahi Arabian Sea Sabarmati 6 Arabian Sea 0.7 Myanmar,  Bangladesh Arabian Sea Arabian Sea Arabian Sea India