| 1 | ||
| Researcher: | Gupta, Rajan | |
| Guide: | Thakur, U | |
| University: | Magadh University | |
| Language: | English | |
| 2 | agrarian system and socio-political organisation under the early Pandyas-C A D 600-1000 | |
| Researcher: | Rajan, Gurukkal | |
| Guide: | Champaklakshmi, R | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| 3 | ||
| Researcher: | Rajan, J | |
| Guide: | Jaiswal, Ajeet | |
| University: | Pondicherry University, Puducherry | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Singh, Rajiv Rajan | |
| University: | Magadh University | |
| Language: | English | |
| 5 | ||
| Researcher: | Rajan, E K | |
| Guide: | Vijayan, T M | |
| University: | University of Calicut | |
| Language: | English | |