| 1 | |
| Researcher: | Surendranath, P |
| Guide: | Ramana Rao, K V |
| University: | Sri Venkateswara University |
| Language: | English |
| 2 | |
| Researcher: | Munirathnam Naidu, M |
| Guide: | Ramamurthi, R |
| University: | Sri Venkateswara University |
| Language: | English |
| 3 | |
| Researcher: | Jayamma, S |
| Guide: | Padmanabha Naidu, B |
| University: | Sri Venkateswara University |
| Language: | English |