| 1 | |
| Researcher: | Sinha, Lala Pravin Kumar |
| Guide: | Kumar, Uday |
| University: | Bhupendra Narayan Mandal University |
| Language: | Hindi |
| 2 | |
| Researcher: | Jha, Pravin Kumar Dwarkanath |
| Guide: | Jha, Prema |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |