| 1 | Studies on the natural products and reactions of heterocycles |
| Researcher: | Manna, Sukumar |
| University: | University of Calcutta |
| Language: | English |
| 2 | Reproductive biology of some common nonpoisonous snakes(Male)of India |
| Researcher: | Manna, Durgacharan |
| University: | University of Calcutta |
| Language: | English |