| 1 | Geology of sulphide ore deposits jonnagiri Kurnool district Andhra Pradesh Osmania |
| Researcher: | Charan, S Nirmal |
| Guide: | Ramana, N |
| University: | Osmania University |
| Language: | English |
| 2 | Geology of Sulphide ore Deposits, Jonnagiri, Kurnool Dist., A.P. |
| Researcher: | Nirmal Charan, S |
| Guide: | Ramana Rao, N |
| University: | Osmania University |
| Language: | English |
| 3 | |
| Researcher: | Chattopadhyay, Nirmal |
| University: | University of Calcutta |
| Language: | English |