| 1 | Effect of petrographic composition on the size, distribution and crushing strength of coal |
| Researcher: | Ranjan, Rajeev |
| Guide: | Sharma, T |
| University: | Indian School of Mines |
| Language: | English |
| 2 | |
| Researcher: | Ranjan, Vibhash |
| Guide: | Sen, PhalguniKumar, Dheeraj |
| University: | Indian School of Mines, Dhanbad |
| Language: | English |
| 3 | |
| Researcher: | Ranjan, Prabhat |
| Guide: | Das, Jayanta |
| University: | Indian School of Mines, Dhanbad |
| Language: | English |
| 4 | |
| Researcher: | Sharma, Niraj Ranjan |
| Guide: | Mishra, A. K.Sen, P. |
| University: | Indian School of Mines, Dhanbad |
| Language: | English |