| 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 |