Basins of CGWB
In this Atlas, the entire river system of the country have been divided into 34 basins as per central ground water board.
(Source:CGWB)
| Sl. No | Basin Code | Basin Name | Area(sq.km) |
| 1 | 1 | Barmer | 58163 |
| 2 | 2 | Beas | 19562 |
| 3 | 3 | Bhadar | 36502 |
| 4 | 4 | Bhatsol | 54878 |
| 5 | 5 | Brahmani | 79815 |
| 6 | 6 | Brahmputra | 186873 |
| 7 | 7 | Cauvery | 85457 |
| 8 | 8 | Chambal | 130665 |
| 9 | 9 | Chenab | 29937 |
| 10 | 10 | Churu | 66316 |
| 11 | 11 | Ghaghar | 51438 |
| 12 | 12 | Godavari | 301888 |
| 13 | 13 | Imphal | 24476 |
| 14 | 14 | Indus | 137655 |
| 15 | 15 | Jhelum | 29231 |
| 16 | 16 | Krishna | 265505 |
| 17 | 17 | Kutch | 52880 |
| 18 | 18 | Lower Ganga | 249661 |
| 19 | 19 | Luni | 87393 |
| 20 | 20 | Mahanadi | 133665 |
| 21 | 21 | Mahi | 3870 |
| 22 | 22 | Narmada | 93398 |
| 23 | 23 | Pennar | 139463 |
| 24 | 24 | Periyar | 54580 |
| 25 | 25 | Qura-qush | 29683 |
| 26 | 26 | Ravi | 13230 |
| 27 | 27 | Sabarmati | 24995 |
| 28 | 28 | Surma | 50278 |
| 29 | 29 | Sutlej | 54458 |
| 30 | 30 | Tapi | 63347 |
| 31 | 31 | Upper Ganga | 231127 |
| 32 | 32 | Vaippar | 38565 |
| 33 | 33 | Vamsadhara | 50792 |
| 34 | 34 | Yamuna | 203641 |
