| 1 | |
| Researcher: | Kumar, Birendra |
| Guide: | Jha, Pawan Kumar |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) |
| Language: | Hindi |
| 2 | |
| Researcher: | Singh, Dilip Kumar |
| Guide: | Singh, Chandra Prakash |
| University: | Bhupendra Narayan Mandal University |
| Language: | Hindi |