| 1 | ||
| Researcher: | Pushkar Singh | |
| Guide: | Goyal, Uma Kant | |
| University: | University of Delhi | |
| Language: | English | |
| 2 | ||
| Researcher: | Bisht Pushkar Singh | |
| Guide: | Paliwal, G S | |
| University: | Hemwati Nandan Bahuguna Garhwal University | |
| Language: | English | |
| 3 | ||
| Researcher: | Kanwal, Pushkar Singh | |
| Guide: | Pant, Daya | |
| University: | Kumaun University | |
| Language: | English | |
| Shodhganga | ||