| 1 | Caves in Khasi-Jaintia Hills: A Historical study |
| Researcher: | Hoojon, Nangtyngshain |
| Guide: | Passah, A.N. |
| University: | North-Eastern Hill University, Shillong |
| Language: | English |
| 2 | Hill state movement in Meghalaya: a socio-historical study |
| Researcher: | Banshan, Arphra, Syiem, Kharkongor |
| Guide: | Passah, A, N |
| University: | North-Eastern Hill University, Shillong |
| Language: | English |
| 3 | Evolution of caste consciousness and its impact on power relations in Bihar: a historical study (1937-1967) |
| Researcher: | Kant, Vimal |
| Guide: | Thakur, A K |
| University: | North-Eastern Hill University, Shillong |
| Language: | English |
