| 21 | ||
| Researcher: | Tiwari, Poonam | |
| Guide: | Singh, Mahendra Nath | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 22 | ||
| Researcher: | Ansari, Azad Ahmad | |
| Guide: | Singh, Mahendra Nath | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 23 | Pracheen Bharat mein rajkiya nyaya vyavastha Prarambhik kaal se chhathi shatabdi tak | |
| Researcher: | Singh, Neelam | |
| Guide: | Singh, Mahendra Nath | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 24 | ||
| Researcher: | Singh, Priyanka | |
| Guide: | Singh, Mahendra Nath | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 25 | Bauddh evam Jain Dharm ka ek tulnatmak adhyayan dharm evam darshan ke sandarbh mein | |
| Researcher: | Singh, Swatantra Kumar | |
| Guide: | Singh, Mahendra Nath | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 26 | ||
| Researcher: | Srivastava, Garvita | |
| Guide: | Singh, Mahendra Nath | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 27 | ||
| Researcher: | Verma, Suneel Kumar | |
| Guide: | Singh, Mahendra Nath | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||