| 1 | |
| Researcher: | Singh, Sukhdev |
| Guide: | Singh, AmrikNoor, S S |
| University: | University of Delhi |
| Language: | Panjabi |
| 2 | |
| Researcher: | Singh, Joginder |
| Guide: | Singh, AmrikNoor, S S |
| University: | University of Delhi |
| Language: | Panjabi |
| 3 | |
| Researcher: | Singh, Narinder |
| Guide: | Singh, Gurubaksh |
| University: | University of Delhi |
| Language: | English |