| 1 | |
| Researcher: | Ashok Kumar, B |
| Guide: | Singh, R K |
| University: | Guru Ghasidas University |
| Language: | English |
| 2 | |
| Researcher: | Ravi Kumar, B |
| Guide: | Appa Rao, A V nKokate, C K |
| University: | Kakatiya University |
| Language: | English |
| 3 | |
| Researcher: | Bhaskara Kumar, B S |
| Guide: | Soma Raju, P |
| University: | Andhra University |
| Language: | English |