| 1 | Chemical study of some components of lac larvae lac resin and lac hosts |
| Researcher: | Harbhajan Singh |
| University: | University Of Delhi |
| Language: | English |
| 2 | |
| Researcher: | Harbhajan singh |
| Guide: | Chopra, K LMalhotra, L K |
| University: | University Of Delhi |
| Language: | English |
| 3 | Studies on ortho-dihydroxy coumarins and their analytical application |
| Researcher: | Harbhajan Singh |
| University: | University Of Delhi |
| Language: | English |
| 4 | Biolimination mechanisms of aqueous waste compounds through vascular plants |
| Researcher: | Bhatia, Harbhajan Singh |
| Guide: | Jain, P K |
| University: | Indian Institute of Technology-Delhi |
| Language: | English |
| 5 | |
| Researcher: | Singha, Harbhajan Singh |
| Guide: | Narinder Singh |
| University: | Jawaharlal Nehru University |
| Language: | English |