| 1 | |
| Researcher: | Chand, Dhirendra Bhahadur |
| Guide: | Labh, Kedar Nath |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | Hindi |
| 2 | |
| Researcher: | Prasad, Lakhi Chand |
| Guide: | Agrawal, R K N |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |