| 1 | Trade in Ancient India: A study, first century AD to third century AD |
| Researcher: | Ram, Kumar |
| University: | Kurukshetra University |
| Language: | English |
| 2 | |
| Researcher: | Ram Kumar, Penumarthy |
| Guide: | Rao, K V Chalpathi |
| University: | Osmania University |
| Language: | English |
| 3 | |
| Researcher: | Jha, Ram Kumar |
| Guide: | Gyan Prakash |
| University: | Devi Ahilya Vishwavidyalaya |
| Language: | English |