| 1 | |
| Researcher: | Radhakrishnan, T S |
| Guide: | Jayaprakash, N |
| University: | University of Madras |
| Language: | Tamil |
| 2 | |
| Researcher: | Radhakrishnan, T S |
| Guide: | Rama Rao, M |
| University: | University of Pune |
| Language: | English |
| 3 | |
| Researcher: | Radhakrishnan, M |
| Guide: | Ravindran, Sankaran |
| University: | University of Calicut |
| Language: | English |