| 1 | |
| Researcher: | Ratnam, S |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Ratnam, Kanchana |
| University: | University of Madras |
| Language: | English |
| 3 | concept of duhkha in Indian philosophy with special reference to early Buddhism |
| Researcher: | Ratnam, Ram Kumar |
| Guide: | Ramaiah, C |
| University: | Sri Venkateswara University |
| Language: | English |