| 1 | |
| Researcher: | Ram Kumar |
| Guide: | Datta, V N |
| University: | Kurukshetra University |
| Language: | English |
| 2 | Trade in Ancient India: A study, first century AD to third century AD |
| Researcher: | Ram, Kumar |
| University: | Kurukshetra University |
| Language: | English |
| 3 | |
| Researcher: | Chaubey, Ram Kumar |
| University: | Banaras Hindu University |
| Language: | English |
| 4 | Jabalpur jile kee murtikala ka adhyayan: Gupta kal se Kalchuri kal tak |
| Researcher: | Ahiwar, Ram Kumar |
| Guide: | Mishra, S N |
| University: | Rani Durgavati Vishwavidyalaya |
| Language: | English |