| 1 | ||
| Researcher: | Rodrigues, Bernard F | |
| Guide: | Torne, S G | |
| University: | Goa University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Shukla, Rabindra Nath | |
| Guide: | Srivastava, A K | |
| University: | Deendayal Upadhyay Gorakhpur University | |
| Language: | English | |
| 3 | ||
| Researcher: | Ajithadoss, N K | |
| Guide: | Venkataramani, RKamalam, A | |
| University: | University of Madras | |
| Language: | English | |
| 4 | Studies in the Family Orchidaceae of Arunachal Pradesh, India | |
| Researcher: | Nageswara Rao, A | |
| University: | Andhra University | |
| Language: | English | |