| 1 | Land revenue administration in Cachar during British Rule, 1832 to 1900 | |
| Researcher: | Dey, Ratna | |
| Guide: | Barpujari, S K | |
| University: | Gauhati University | |
| Language: | English | |
| 2 | ||
| Researcher: | Trivedi, Ratna | |
| Guide: | Rastogi, U P | |
| University: | University of Lucknow | |
| Language: | Sanskrit | |
| 3 | ||
| Researcher: | Chattopadhyay, Ratna | |
| Guide: | Purkaysatha, R P | |
| University: | University of Calcutta | |
| Language: | English | |
| 4 | Three dimensional structure analysis of organic compounds by X-ray methods | |
| Researcher: | Ghosh, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| 5 | ||
| Researcher: | Chakrabarti, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 6 | ||
| Researcher: | Saxena, Ratna | |
| University: | University of Rajasthan | |
| Language: | English | |