| 1 | |
| Researcher: | Vijay Shankar |
| Guide: | Singh, B K |
| University: | Magadh University |
| Language: | English |
| 2 | |
| Researcher: | Thakur, Vijay Kumar |
| Guide: | Chaudhary, R K |
| University: | Tilka Manjhi Bhagalpur University |
| Language: | English |
| 3 | |
| Researcher: | Singh, Vijay Kumar |
| Guide: | Maheshwari, Prasad |
| University: | Banaras Hindu University |
| Language: | English |