| 1 | ||
| Researcher: | Datta, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| 2 | Physical environment and resource potentiality of the Paraphine River Basin, West Bengal | |
| Researcher: | Datta, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| 3 | Experimental studies on certain aspects of male sterility and fertility | |
| Researcher: | Datta, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| 4 | Development of historical and literary styles in sanskrit inscriptions | |
| Researcher: | Datta, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| 5 | ||
| Researcher: | Datta, Ratna | |
| Guide: | n.d. | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 6 | Physical environment and resource potentiality of the Taraphini river basin West Bengal | |
| Researcher: | Datta, Ratna | |
| Guide: | Bandyopadhyay, M K | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||