| 21 | ||
| Researcher: | Agrawal, P | |
| Guide: | Das, H K | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| 22 | ||
| Researcher: | Sarmah, Kabita | |
| Guide: | Das, H K | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||
| 23 | Studies on extractive spectrophotometric determination of some metal ions using complexing reagents | |
| Researcher: | Choudhury, Ganesh | |
| Guide: | Das, H K | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||
| 24 | Organization of the nitrogenase structural genes in azotobacter vlnelandii | |
| Researcher: | Reddy, Marpadga Amarender | |
| Guide: | Das, H K | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| Shodhganga | ||
| 25 | Construction of a plant c DNA library and selection of clones by immunological approach | |
| Researcher: | Dasgupta, Indranil | |
| Guide: | Das, H K | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| Shodhganga | ||
| 26 | ||
| Researcher: | Patra, P | |
| Guide: | Das, H K | |
| University: | Utkal University | |
| Shodhganga | ||
| 27 | ||
| Researcher: | Sahoo, N | |
| Guide: | Das, H K | |
| University: | Utkal University | |
| Shodhganga | ||