| 1 | |
| Researcher: | Singh, Ajit Kumar |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |
| 2 | |
| Researcher: | Dasgupta, Ajit Kumar |
| Guide: | Bose, Nemai Sadhan |
| University: | Jadavpur University |
| Language: | English |
| 3 | |
| Researcher: | Dutta, Ajit Kumar |
| Guide: | Sahai, S |
| University: | Magadh University |
| Language: | English |
| 4 | The Koch Kingdom of Darrang: Polity, society and economy, 1616 1826 |
| Researcher: | Boruah, Ajit Kumar |
| Guide: | Nath, D |
| University: | Dibrugarh University |
| Language: | English |