| 1 | cultural study in the early coins of india from the earliest upto gupta period | |
| Researcher: | Om Prakash Singh | |
| Guide: | Thakur, U | |
| University: | Magadh University | |
| Language: | English | |
| 2 | ||
| Researcher: | Om Prakash Singh | |
| Guide: | Saran, P | |
| University: | University of Delhi | |
| Language: | English | |
| 3 | Vikas khand baarachanwar Ghazipur U P ka samanvit kshetriya vikas | |
| Researcher: | Yadav, Om Prakash Singh | |
| Guide: | Shukl, Janardan | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||