| 1 | |
| Researcher: | Banerjee, Ratna |
| Guide: | Pandey, A k |
| University: | Rani Durgavati Vishwavidyalaya |
| Language: | English |
| 2 | Texonomy and pollen morphology of Indian helobiae with special reference of phylogeny |
| Researcher: | Guha, Ratna |
| Guide: | Roy, H |
| University: | Vinoba Bhave University |
| Language: | English |
| 3 | |
| Researcher: | Benerjee, Ratna |
| Guide: | Pandey, A K |
| University: | Rani Durgavati Vishwavidyalaya |
| Language: | English |
| 4 | |
| Researcher: | ratna Kumari |
| Guide: | Joseph, A |
| University: | Andhra University |
| Language: | English |
| 5 | Protozooplankton in relation to pollution in Visakhapatnam harbour, East Cost of India |
| Researcher: | Bharati, V Ratna |
| Guide: | Kalavati, C |
| University: | Andhra University |
| Language: | English |
| 6 | |
| Researcher: | Grace, Jangam Ratna |
| University: | Andhra University |
| Language: | English |
| 7 | Studies on ascochyta cypericola a fungal pathogen of cyperus rotundus |
| Researcher: | Ratna Kumar, P K |
| Guide: | Narayana Rao, A |
| University: | Andhra University |
| Language: | English |