| 1 | Geology Geo chemistry and genesis of phosphosite from parts of Nallamalai belt Cudapah Basin, India |
| Researcher: | Lakshmana Rao, P |
| Guide: | Nageswara Rao, V V |
| University: | Andhra University |
| Language: | English |
| 2 | Geochemistry and origin of phosphorite deposit of Mussoorie area, Utter Pradesh, India |
| Researcher: | Ramana Rao, Seela Venkata |
| Guide: | Nageswara Rao, V V |
| University: | Andhra University |
| Language: | English |