| 1 | |
| Researcher: | Rajbir Singh |
| Guide: | Singh, Rajbir |
| University: | University of Delhi |
| Language: | English |
| 2 | |
| Researcher: | Rajbir, Shiv Lal |
| Guide: | Gupta, Anand Kumar |
| University: | Maharshi Dayanand university |
| Language: | English |
| 3 | |
| Researcher: | Vats, Rajbir Singh |
| Guide: | Shashi, Sardana |
| University: | University of Delhi |
| Language: | English |