Table 1. Included districts, population and topography.
| Zone | State | Disricts | Taluks | Population | Topography |
|---|---|---|---|---|---|
| West | Maharashtra | Raigad | 15 | 2,966,109 | Coastal |
| Pune | 13 | 10,617,513 | Highland | ||
| Nanded | 16 | 3,784,815 | Semi-arid Deccan plateau | ||
| Central | Rajasthan | Jaisalmer | 3 | 756,681 | Dry arid desert |
| Udaipur | 11 | 34,55,041 | Highland | ||
| Bikaner | 8 | 2,363,937 | Predominantly desert | ||
| South | Kerala | Ernakulam | 15 | 3,695,969 | Western Ghat section |
| Kannur | 7 | 2,840,901 | Western Ghat section | ||
| Tamil Nadu | Tiruchirapalli | 14 | 3,065,298 | Predominantly Highland | |
| Tiravanur | 14 | 4,197,845 | Coastal | ||
| Andhra Pradesh | Nellore | 5 | 3,336,965 | Coastal | |
| Chitoor | 3 | 4,699,996 | Hilly Highland | ||
| East | Odisha | Cuttack | 25 | 2,955,153 | Coastal |
| Sambalpur | 20 | 1,172,277 | Highland | ||
| West Bengal | Bankura | 22 | 4,049,855 | Forest and Highland | |
| East Burdwan | 31 | 8,696,844 | Riverine plain | ||
| Jalpaiguri | 7 | 4,360,824 | Sub-himalayan Terai | ||
| South 24 Paraganas | 5 | 9,190,368 | Mangrove forest | ||
| North | Himachal Pradesh | Kangra | 15 | 1,700,344 | Sub-Himalayan plains, lowlands, and highlands |
| Una | 5 | 586,841 | Sub-Himalayan plains, lowlands, and highlands | ||
| Chhamba | 7 | 584,484 | Sub-Himalayan plains, lowlands, and highlands | ||
| Uttarakhand | Nainital | 8 | 1,074,885 | Hilly and forest | |
| North-East | Arunachal Pradesh | Papum Pare | 15 | 1,98,821 | Hilly and forest |
| Pakke Kessang | 5 | 88,605 | Hilly and forest | ||
| Meghalaya | East Khasi Hills | 11 | 929,988 | Hilly and forest | |
| West Garo Hills | 7 | 7,24,346 | Hilly and forest | ||
| Mizoram | Aizawl | 5 | 400,309 | Hilly and forest | |
| Lunglei | 4 | 161,428 | Hilly and forest | ||
| Champai | 4 | 125,745 | Hilly and forest | ||
| Tripura | Dhalai | 8 | 425,887 | Hilly and forest | |
| South Tripura | 8 | 986,377 | Hilly and forest | ||
| Total | 13 | 31 | 336 | 83,977,167 |