| 1 | |
| Researcher: | Radha, P |
| Guide: | Gnanamurthy, T E |
| University: | University of Madras |
| Language: | English |
| 2 | |
| Researcher: | Radha, V S |
| Guide: | Kumar, M Vetha Sagaya |
| University: | University of Kerala |
| Language: | English |
| 3 | |
| Researcher: | Radha Bai, G S |
| Guide: | Singh, J D |
| University: | Kurukshetra University |
| Language: | English |