| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Bihar | Katihar | Hindi | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Purnia | Maithili | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Dakshin Dinajpur | Bengali | 1,800 | 1,800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Maldah | Bengali | 2,500 | 2,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Uttar Dinajpur | Bengali | 1,200 | 1,200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| States | Districts | Languages | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
| 2 | 5 | 3 | 6,400 | 6,400 | 0 | 0 | 0 | 0 | 0 |