| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Andaman and Nicobar Islands | Andaman, South | Bengali | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Andaman and Nicobar Islands | North and Middle Andaman | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Tinsukia | Bengali | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, Central | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, East | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, New | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, North | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, Northeast | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, Northwest | Bengali | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, South | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, South East | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, Southwest | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, West | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Shahdara | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Garo Hills, Southwest | Bengali | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Sikkim | Pakyong | Nepali | 11,000 | 8,600 | -1 - | 1,000 | 900 | -1 - | -1 - |
| Sikkim | Sikkim, East | Nepali | 36,000 | 29,000 | -1 - | 3,500 | 3,600 | -1 - | -1 - |
| Sikkim | Sikkim, North | Nepali | 2,400 | 2,100 | -1 - | 100 | 200 | -1 - | -1 - |
| Sikkim | Sikkim, South | Nepali | 35,000 | 26,000 | -1 - | 3,300 | 5,500 | -1 - | 200 |
| Sikkim | Sikkim, West | Nepali | 12,000 | 9,600 | -1 - | 1,500 | 1,200 | -1 - | 100 |
| Sikkim | Soreng | Nepali | 12,000 | 7,500 | -1 - | 1,400 | 2,400 | -1 - | 300 |
| West Bengal | Alipurduar | Bengali | 21,000 | 20,000 | -1 - | -1 - | 1,000 | -1 - | -1 - |
| West Bengal | Dakshin Dinajpur | Bengali | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Darjeeling | Bengali | 165,000 | 164,000 | -1 - | 400 | -1 - | -1 - | -1 - |
| West Bengal | Howrah | Bengali | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Jalpaiguri | Santhali | 35,000 | 35,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Jhargram | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Kalimpang | Bengali | 26,000 | 26,000 | -1 - | 100 | -1 - | -1 - | -1 - |
| West Bengal | Kolkata | Bengali | 50 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Maldah | Bengali | 50 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | North 24 Parganas | Bengali | 2,000 | 2,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Paschim Medinipur | Bengali | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | South 24 Parganas | Bengali | 1,000 | 1,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Uttar Dinajpur | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| 6 | 34 | 3 | 359,000 | 331,000 | 0 | 11,000 | 15,000 | 0 | 700 |