| 1 | |
| Researcher: | Singh, Devendra Nath |
| University: | Banaras Hindu University |
| Language: | Hindi |
| 2 | |
| Researcher: | Thakur, Devendra Nath |
| Guide: | Arun, A |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 3 | |
| Researcher: | Singh, Devendra nath |
| Guide: | Rao, B P |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |