| 1 | ||
| Researcher: | Singh, Ravishankar | |
| Guide: | Pandey, Beni Madhav | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Gupta, Ravishankar | |
| Guide: | Singh, Arun Pratap | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Rao, Ravishankar Pratap | |
| Guide: | Tiwari, Umashankar | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||