| 1 | Effect of hydrogen diffusion on the solid state properties of iron, cobalt and nickel |
| Researcher: | Ratna Rani |
| University: | Chhatrpati Shahu Ji Maharaj University |
| Language: | English |
| 2 | Irrigation and water supply in Andhradesa. C.1000 A.D. - C. 1600 A.D |
| Researcher: | Mercy Ratna Rani, Domathoty |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Ratna Rani, D Mercy |
| Guide: | Krishna Kumari, M |
| University: | Andhra University |
| Language: | English |