| 1 | Role of medication inducing psychological changes in psychiatric patients |
| Researcher: | Ray, Ratna |
| University: | University of Calcutta |
| Language: | English |
| 2 | |
| Researcher: | Banerji, Ratna |
| Guide: | Singh, B K |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |
| 3 | |
| Researcher: | Verma, Ratna |
| Guide: | Verma, Ratna |
| University: | University of Delhi |
| Language: | English |
| 4 | |
| Researcher: | Pandey, Ratna Shanker |
| Guide: | Shukdev Singh |
| University: | Banaras Hindu University |
| Language: | Hindi |
| 5 | |
| Researcher: | Srivastava, Nav Ratna |
| Guide: | Chandra, P H |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | Hindi |
| 6 | |
| Researcher: | Ratna Rao, Danduboyina |
| Guide: | Chandramohan, P |
| University: | Andhra University |
| Language: | English |
| 7 | |
| Researcher: | Tummala, Ratna Vani |
| Guide: | Balaji Rao, R |
| University: | Banaras Hindu University |
| Language: | English |
| 8 | Structure and role of neurosecretory system of some orthopteroid insects |
| Researcher: | De Rai, Ratna |
| Guide: | Gupta, U S |
| University: | Dr Harisingh Gour Vishwavidyalaya |
| Language: | English |
| 9 | Studies on the seed coat and Fruit wall Anatomy and Histochemistry in Apocynaceae and Asclepiadaceae |
| Researcher: | Mary Ratna Sri, K |
| University: | Andhra University |
| Language: | English |