| 1 | |
| Researcher: | Srinivasa, Rao |
| Guide: | Sesharatnam, S |
| University: | Andhra University |
| Language: | Hindi |
| 2 | |
| Researcher: | Srinivasa Rao, U |
| Guide: | Verma, Suryanarayana |
| University: | andhra university |
| Language: | Hindi |
| 3 | |
| Researcher: | Srinivasa Rao, Undabhatla |
| University: | Andhra University |
| Language: | English |