| 21 | ||
| Researcher: | Kumar, Sanjeev | |
| Guide: | Kumar, Virendra | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||
| 22 | ||
| Researcher: | Meher, Jitendra | |
| Guide: | Kumar, Virendra | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||
| 23 | ||
| Researcher: | Choubey, Bishwajeet | |
| Guide: | Dutta, Sekhar ChandraKumar, Virendra | |
| University: | Indian School of Mines, Dhanbad | |
| Language: | English | |