| 1 | |
| Researcher: | Sarmah, Jotindranath |
| Guide: | Boishya, CL |
| University: | Gauhati University |
| Language: | English |
| 2 | Studies on systematics of Orchids in the Brahmaputra valley, Assam |
| Researcher: | Barua, Bhabanabda |
| Guide: | Boishya, CL |
| University: | Gauhati University |
| Language: | English |