| 1 | |
| Researcher: | Aru, M M |
| Guide: | Chandra, U |
| University: | Ranchi University |
| Language: | English |
| 2 | Quantitative petrography of Ramgarh area with special reference to VII top seam |
| Researcher: | Moitra, Alok |
| Guide: | Chandra, U |
| University: | Ranchi University |
| Language: | English |