Reservoir-Hydrographic Survey (1)
| Reservoir-Hydrographic Survey |
Reservoir-Remote Sensing Study (2)
| Reservoir-Remote Sensing Study |
Meteorological Sub Divisions (3)
| Andaman and Nicobar Islands |
| Arunachal Pradesh |
| Assam and Meghalaya |
| Bihar |
| Chattisgarh |
| Coastal Andhra Pradesh |
| Coastal Karnataka |
| East Madhya Pradesh |
| East Rajasthan |
| East Uttar Pradesh |
| Gangatic West Bengal |
| Gujarat Reg. Daman and Diu and Nagar Havelli |
| Haryana,Chandigarh and Delhi |
| Himachal Pradesh |
| Jammu and Kashmir |
| Jharkhand |
| Kerala |
| Konkan and Goa |
| Lakshadweep |
| Madhya Maharashtra |
| Marathawada |
| Nagaland,Manipur,Mizoram and Tripura |
| North Interior Karnataka |
| Orissa |
| Punjab |
| Rayalaseema |
| Saurashtra,Kutch and Diu |
| South Interior Karnataka |
| Sub-Himalayan West Bengal and Sikkim |
| Tamil Nadu and Pondicherry |
| Telangana |
| Uttarakhand |
| Vidarbha |
| West Madhya Pradesh |
| West Rajasthan |
| West Uttar Pradesh |
Reservoir Basin (4)
| Cauvery & Neighbouring EFRS |
| Ganga |
| Godavari |
| Indus |
| Krishna |
| Mahanadi & Neighbouring EFRS |
| Mahi |
| Minor rivers draining into Myanmar and Bangladesh |
| Narmada |
| River of Kutch |
| Sabarmati |
| Tapi |
| West flowing rivers of South |
Reservoir Region (5)
| Central Region |
| Eastern Region |
| Northern Region |
| Southern Region |
| Western Region |
Sedimentation Zone (6)
| Andaman & Nicobar |
| Decan Peninsular east flowing rivers including Godavari and south Indian rivers |
| East flowing rivers upto Godavari |
| Himalayan Region |
| Indo Gangetic Plains |
| Lakshadweep |
| Narmada and Tapi |
|
| West flowing rivers beyond Tapi and south Indian rivers |
| West flowing rivers upto Narmada |
State (7)
| State |
|