| 1 | |
| Researcher: | Murthy, P S N |
| Guide: | Sreeramadas, A |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Narendra, Karnanam |
| Guide: | Trivikramarao, A |
| University: | Andhra University |
| Language: | English |
| 3 | Distribution and behaviour of trace elements in the precambrian phosphorites of India |
| Researcher: | Srivastava, Neeta Rani |
| Guide: | Banerjee, D M |
| University: | University of Delhi |
| Language: | English |