| 1 | Study of Quasi-commutative semigroups, regular ideals and radicals |
| Researcher: | Harbans Lal |
| Guide: | Bhattacharya, P B |
| University: | University of Delhi |
| Language: | English |
| 2 | |
| Researcher: | Jindal, Harbans Lal |
| Guide: | Mitra, R P |
| University: | University of Delhi |
| Language: | English |
| 3 | |
| Researcher: | Mukhia, Harbans Lal |
| Guide: | Mukhia, Harbans Lal |
| University: | University of Delhi |
| Language: | English |
| 4 | |
| Researcher: | Bhatia, Harbans Lal |
| Guide: | Bhatia, Harbans Lal |
| University: | University of Delhi |
| Language: | English |
| 5 | |
| Researcher: | Bhatia, Harbans Lal |
| Guide: | Kaul, R NPuri, M C |
| University: | University of Delhi |
| Language: | English |
| 6 | Development strategy in a labour surplus economy: With special reference to India |
| Researcher: | Ahuja, Harbans Lal |
| Guide: | Ahuja, Harbans Lal |
| University: | University of Delhi |
| Language: | English |