| 1 | |
| Researcher: | Harpal Singh |
| Guide: | Singhal, Shashi Bhushan |
| University: | Kurukshetra University |
| Language: | English |
| 2 | |
| Researcher: | Harpal Singh |
| Guide: | Sohal, T S |
| University: | Kurukshetra University |
| Language: | English |
| 3 | |
| Researcher: | Bhuker, Harpal Singh |
| Guide: | Singhal, S B |
| University: | Kurukshetra University |
| Language: | Hindi |