| 1 | |
| Researcher: | Pant, Durga Raj |
| Guide: | Sinha, B P |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 2 | |
| Researcher: | Pathak, Raj Kumar |
| Guide: | Poddar, R P |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | Hindi |
| 3 | |
| Researcher: | Rai, Raj Narayan |
| Guide: | Arun, A |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | Hindi |