| 1 | |
| Researcher: | Raja Gopalachari, C |
| Guide: | Herbert, G S |
| University: | Sri Venkateswara University |
| Language: | English |
| 2 | |
| Researcher: | Sai Babu, A |
| Guide: | Sarswathi Chennakesavan, S (Mrs) |
| University: | Sri Venkateswara University |
| Language: | English |
| 3 | |
| Researcher: | Prathapa Simha, G |
| Guide: | Veeraiah, M |
| University: | Sri Venkateswara University |
| Language: | English |