| 1 | |
| Researcher: | Subrahmanyam, G |
| Guide: | Reddy, A R |
| University: | University of Hyderabad |
| Language: | English |
| 2 | Some analytical studies of tetravalent manganese in solutions of sulphuric acid |
| Researcher: | Subrahmanyam Karra |
| Guide: | Muralikrishna, U |
| University: | Andhra University |
| Language: | English |
| 3 | Some analytical studies of tetravalent manganese in solutions of sulphuric acid |
| Researcher: | Subrahmanyam, K |
| University: | Andhra University |
| Language: | English |
| 4 | Geohydrological studies and Digital simulation of two typical aquifers in Andhra Pradesh |
| Researcher: | Subrahmanyam, K M |
| Guide: | Palnitkar, G V |
| University: | Osmania University |
| Language: | English |