| 1 | Some problems of solar X-ray radiations and upper atmosphere |
| Researcher: | Dasgupta, Subhra |
| Guide: | Ghosh, S N |
| University: | University of Allahabad |
| Language: | English |
| 2 | |
| Researcher: | Dasgupta, Nandakisor |
| University: | University of Calcutta |
| Language: | English |