| 1 | Outline history Of Arunachal Pradesh:with special reference to socio-cultural aspects |
| Researcher: | Purkayastha, Nirmal Kumar |
| Guide: | Acharyya, NN |
| University: | Gauhati University |
| Language: | English |
| 2 | History of education in Assam during medieval period 1228-1826 A.D. |
| Researcher: | Talukdar, Binapani |
| Guide: | Acharyya, NN |
| University: | Gauhati University |
| Language: | English |