| 1 | |
| Researcher: | Pavan Kumar, CH N S Sai |
| Guide: | Rao, V Jayathirtha |
| University: | Acharya Nagarjuna University |
| Language: | English |
| 2 | |
| Researcher: | Boyapati, Veeranjaneyulu |
| Guide: | Das, Biswanath |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | English |