| 1 | Revision of the Caligoida (Copepoda) with special reference to the Indian fauna |
| Researcher: | Ramakrishnan, Prabha |
| Guide: | Krishna Pillai, N |
| University: | University of Kerala |
| Language: | English |
| 2 | |
| Researcher: | Ramakrishnan, N |
| Guide: | Pradhan, D S |
| University: | University of Mumbai |
| Language: | English |
| 3 | |
| Researcher: | Ramakrishnan, P |
| Guide: | Mathew, D N |
| University: | University of Calicut |
| Language: | English |
| 4 | |
| Researcher: | Ramakrishnan, PR |
| Guide: | Duraiswami, S |
| University: | University of Delhi |
| Language: | English |
| 5 | |
| Researcher: | Ramakrishnan, P R |
| Guide: | Duraiswami, S |
| University: | University of Delhi |
| Language: | English |