| 1 | |
| Researcher: | Sudhakar, K |
| Guide: | Raja Rajeshwari, K |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Sudhakar, Killada |
| Guide: | Rao, V V Nageswara |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Sudhakar, G |
| Guide: | Satyanarayana, TRao, Ganga B |
| University: | Andhra University, Waltair |
| Language: | English |