| 1 | |
| Researcher: | Piyush Ranjan |
| Guide: | Ahlawat, R S |
| University: | University of Delhi |
| Language: | English |
| 2 | Petrographic controls on coal bed Methane of Jharia coal basin, Jharkhand, India |
| Researcher: | Das, Piyush Ranjan |
| Guide: | Varma, Atul KumarMendhe, Vinod A |
| University: | Indian School of Mines, Dhanbad |
| Language: | English |