| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Bihar | Araria | Bengali | 90 | 90 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Banka | Bengali | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Bhagalpur | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Katihar | Hindi | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Khagaria | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Kishanganj | Bengali | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Madhepura | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Purnia | Maithili | 70 | 70 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Saharsa | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Samastipur | Bengali | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Supaul | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Dhanbad | Bengali | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Garhwa | Hindi | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Latehar | Hindi | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Palamu | Hindi | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Seraikela Kharsawan | Bengali | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Singhbhum, East | Bengali | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Singhbhum, West | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Dhalai | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Gomati | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Khowai | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Sepahijala | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, North | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, South | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, West | Bengali | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Unokoti | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Bankura | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Jhargram | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Paschim Medinipur | Bengali | 50 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Purba Medinipur | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Purulia | Bengali | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| States | Districts | Languages | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
| 4 | 31 | 3 | 3,300 | 3,300 | 0 | 0 | 0 | 0 | 0 |
