| 1 | |
| Researcher: | Yadav, Upendra Narayan |
| Guide: | Yadav, Shio Muni |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) |
| Language: | English |
| 2 | |
| Researcher: | Sardar, Amit |
| Guide: | Nayak, D.K. |
| University: | North-Eastern Hill University, Shillong |
| Language: | English |