| 1 | |
| Researcher: | Nigam, Rashmi |
| Guide: | Srivastava, M M |
| University: | Dayalbagh Educational Institute |
| Language: | Hindi |
| 2 | |
| Researcher: | Nigam, Rahul |
| University: | Punjab Agricultural University |
| Language: | English |
| 3 | |
| Researcher: | Nigam, Vibha |
| Guide: | Sharma, Prem Suman |
| University: | University of Lucknow |
| Language: | Hindi |
| 4 | Studies on marine molluscs and crustaceans from gulf of cambay |
| Researcher: | Nigam, Pravar Basu |
| Guide: | Patel, S K |
| University: | Bhavnagar University |
| Language: | English |