| 1 | |
| Researcher: | Rao, Puranchandra |
| Guide: | Subba Rao, M |
| University: | Andhra University |
| Language: | English |
| 2 | Clay minerals of the Godavari-Gautami and Sarada-Varaha rivers, East Coast of India |
| Researcher: | Pasupuleti, Satya Kumar |
| Guide: | Subba Rao, M |
| University: | Andhra University |
| Language: | English |