| 1 | Flora of Nongpoh and vicinity Khasi and Jaintia Hills District, Assam |
| Researcher: | Joseph, J |
| Guide: | Rao, AS |
| University: | Gauhati University |
| Language: | English |
| 2 | Orchidaceae of united Khasi and Jaintia hills Meghalaya, Assam |
| Researcher: | Kataki, Sarat Kumar |
| Guide: | Rao, AS |
| University: | Gauhati University |
| Language: | English |