| 1 | Phylogeney of bufonidae on the basis of sperm ultrastructure and DNA analysis studies | |
| Researcher: | Chatterjee, Chandranath | |
| Guide: | Ray, Dipak | |
| University: | University of North Bengal | |
| Language: | English | |
| Shodhganga | ||
| 2 | Ultrastructural study on seasonal testicular changes of Himalayan newt (urodela: amphibia) | |
| Researcher: | Patra, Sudipta | |
| Guide: | Ray, Dipak | |
| University: | University of North Bengal | |
| Language: | English | |
| 3 | An ultra structural study on seasonal testicular changes of Himalayan newt urodela amphibia | |
| Researcher: | Patra, Sudipta | |
| Guide: | Ray, Dipak | |
| University: | University of North Bengal | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Mukhopadhyay, Shekhar | |
| Guide: | Ray, Dipak | |
| University: | University of North Bengal | |
| Language: | English | |
| Shodhganga | ||