| 1 | Studies on some aspects of ecology of ciliates associated with algae of Visakhapatnam Coast | |
| Researcher: | Gudapati, Radha Krishna | |
| Guide: | Narasimha Murty, C C | |
| University: | Andhra University | |
| Language: | English | |
| 2 | ||
| Researcher: | Murthy, Radha Krishna | |
| Guide: | Swamy, K S | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 3 | Chromosome studies on some North Indian polyphagous beetles (Coleoptera, insecta) | |
| Researcher: | Radha Krishna Pillai, K | |
| Guide: | Yadav, J S | |
| University: | Kurukshetra University | |
| Language: | English | |
| 4 | Taxonomic studies on species of three families of fishes from trawl catches of Visakhapatnam | |
| Researcher: | Radha Krishna Rao, M P R | |
| Guide: | Dutt, S | |
| University: | Andhra University | |
| Language: | English | |