1. GANGA – [Uttarakhand, Uttar Pradesh, Bihar, Jharkhand, West Bengal] – AROUND 2,525 K.M.
2. YAMUNA – [Uttarakhand, Uttar Pradesh, Haryana] – 1,376 K.M.
3. BRAHMAPUTRA – [Assam, Arunachal,Tibet] – 2,900 K.M.
4. MAHANADI – [Chhattisgarh, Odisha] – 858 K.M.
5. GODAVARI – [Maharashtra, Telangana, Chhattisgarh, Andhra Pradesh, Puducherry] – 1,465 K.M.
6. KRISHNA – [Maharashtra, Karnataka, Telangana, Andhra Pradesh] – 1,400 K.M.
7. NARMADA – [Madhya Pradesh, Maharashtra, Gujarat] – 1,315 K.M.
8. TAPTI – [Madhya Pradesh, Maharashtra, Gujarat] – 724 K.M.
9. GOMTI – [Lucknow] – 900 K.M.
10. GANDAK – [Bihar] – 320 K.M.
11. KOSI – [Bihar] – 720 K.M.
12. SON – [Madhya Pradesh, Uttar Pradesh, Jharkhand, Bihar] – 784 K.M.
13. BETWA – [Madhya Pradesh, Uttar Pradesh] – 590 K.M.
14. CHAMBAL – [Madhya Pradesh, Uttar Pradesh, Rajasthan] – 960 K.M.
15. SUTLEJ – [Panjab] – 1,500 K.M.
16. RAVI – [Himachal, Panjab] – 720 K.M.
17. BEAS – [Himachal, Panjab] – 470 K.M.
18. CHENAB – [Himachal, Panjab] – 960 K.M.
19. JEHLAM – [Panjab] – 725 K.M.
20. KAVERI – [Tamil Nadu] – 765 K.M.
21. MAHANADI – [Odisha] – 858 K.M.