| 1 | |
| Researcher: | Nigam, Lla |
| Guide: | Srivastava, M H N |
| University: | University of Allahabad |
| Language: | English |
| 2 | |
| Researcher: | Nigam, Alaka |
| University: | Chhatrpati Shahu Ji Maharaj University |
| Language: | English |
| 3 | |
| Researcher: | Nigam, Alka |
| Guide: | Pandey, S M |
| University: | Banaras Hindu University |
| Language: | English |
| 4 | |
| Researcher: | Nigam, Krishna |
| Guide: | Tripathi, V D |
| University: | Mahatma Gandhi Kashi Vidyapeeth |
| Language: | English |
| 5 | Synthesis of some nitrogen heterocycles and their pharmacological studies |
| Researcher: | Nigam, Satish Chandra |
| Guide: | Saharia, G S |
| University: | University of Delhi |
| Language: | English |