| 1 | |
| Researcher: | Singh, Dharam Nath |
| Guide: | Kumar, Bachandeo |
| University: | Patna University |
| Language: | Hindi |
| 2 | |
| Researcher: | Singh, Dharam Nath |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 3 | |
| Researcher: | Singh, Dharam Nath |
| Guide: | Veerendra, Pratap Singh |
| University: | Mahatma Gandhi Kashi Vidyapeeth |
| Language: | English |