Basins of NCIWRDP
The entire country has been divided into 24 basins as per National Commission for Integrated Water Resources Development plan(India). The names of the basins and area are given in the table.
Basin Map of India
| Sl. No | Basin Code | Basin Name | Area(sq.km) |
| 1 | 1 | Indus | 321289 |
| 2 | 2 | Ganga-Brahmaputra-Meghna | 1101242 |
| 3 | 3 | Subarnarekha | 29196 |
| 4 | 4 | Brahmani-Baitarani | 51822 |
| 5 | 5 | Mahanadi | 141589 |
| 6 | 6 | Godavari | 312812 |
| 7 | 7 | Krishna | 258948 |
| 8 | 8 | Pennar | 55213 |
| 9 | 9 | Cauvery | 87900 |
| 10 | 10 | Tapi | 65145 |
| 11 | 11 | Narmada | 98796 |
| 12 | 12 | Mahi | 34842 |
| 13 | 13 | Sabarmati | 21674 |
| 14 | 14 | West Flowing Rivers of Kutch and Saurashtra Including Luni | 334390 |
| 15 | 15 | West Flowing Rivers South of Tapi | 113057 |
| 16 | 16 | East Flowing Rivers between Mahanadi and Godavari | 49570 |
| 17 | 17 | East Flowing Rivers between Godavari and Krishna | 12289 |
| 18 | 18 | East Flowing Rivers between Krishna and Pennar | 24649 |
| 19 | 19 | East Flowing Rivers between Pennar and Cauvery | 64751 |
| 20 | 20 | East Flowing Rivers South of Cauvery | 35026 |
| 21 | 21 | Area of North Ladakh Not draining into Indus | 28478 |
| 22 | 22 | Rivers draining into Bangladesh | 10031 |
| 23 | 23 | Rivers draining into Myanmar | 26271 |
| 24 | 24 | Drainage Area of Andaman and Nicobar and Lakshadweep | 8280 |
