| 1 | ||
| Researcher: | Ray, Ajay Kumar | |
| Guide: | Mitra, Biswanath | |
| University: | Visva Bharati | |
| Language: | English | |
| 2 | ||
| Researcher: | Ray, Ajay Kumar | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 3 | multistage data acquisition and pattern classification system for character recognition | |
| Researcher: | Ray, Ajay Kumar | |
| Guide: | Chatterjee, B | |
| University: | Indian Institute of Technology | |
| Language: | English | |
| 4 | Induction of cytological, cytochemical and chromosomal changes by certain external agents | |
| Researcher: | Ray, Ajay Kumar | |
| University: | University of Calcutta | |
| Language: | English | |
| 5 | Induction of cytological cytochemical and chromosomal changes by certain external agents | |
| Researcher: | Ray, Ajay Kumar | |
| Guide: | Sharma, Archana | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||