| 21 | |
| Researcher: | Sood, Sarvesh Kumar |
| Guide: | Mohana Rao, P R |
| University: | Acharya Nagarjuna University |
| Language: | English |
| 22 | Orchidaceae of Nagaland: A contribution towards a detailed knowledge of the Orchid Flora |
| Researcher: | Hynniewta, T M |
| Guide: | Kagti, L C |
| University: | Gauhati University |
| Language: | English |
| 23 | |
| Researcher: | Krishnamohan, P T |
| University: | Karnatak University |
| Language: | English |
| 24 | Studies on the orchids of North-Eastern India: Ecophysiology of mycorrhiza |
| Researcher: | Katiyar, Rajendra Singh |
| Guide: | Mishra, R RSharma, G D |
| University: | North Eastern Hill University |
| Language: | English |
| 25 | |
| Researcher: | Jojita Devi, Rajkumari |
| Guide: | Ghatak, J |
| University: | Manipur University |
| Language: | English |