| 21 | ||
| Researcher: | Gupta, Ajay Kumar | |
| Guide: | Manoj Kumar | |
| University: | V. B. S. Purvanchal University | |
| Language: | English | |
| Shodhganga | ||
| 22 | ||
| Researcher: | Gupta, Ajay Shankar | |
| Guide: | Lal, Onkar | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 23 | Climate change vulnerability assessment of socio-environment systems in the Garhwal Himalayas | |
| Researcher: | Gupta, Ajay Kumar | |
| Guide: | Negi, MridulaPandey, RajivNandy, Subrata | |
| University: | Forest Research Institute University, Dehradum | |
| Language: | French | |