| 1 | |
| Researcher: | Sen, Hemanshu |
| Guide: | Paracer, J P |
| University: | University of Lucknow |
| Language: | Hindi |
| 2 | |
| Researcher: | Sen, Biswarup |
| Guide: | Vinod Kumar |
| University: | University of Delhi |
| Language: | English |
| 3 | Terrains and agriculture in the Deoghar subdivision, Jharkhand, India |
| Researcher: | Sen, Gour Pada |
| Guide: | Prasad, Nageswar |
| University: | University of Burdwan |
| 4 | |
| Researcher: | Raj, Apurb Sen |
| Guide: | Rai, Navdeshwar |
| University: | Banaras Hindu University |
| Language: | Hindi |