| 1 | |
| Researcher: | Jalin, L E |
| Guide: | Vedanayagam, E G |
| University: | University of Madras |
| Language: | English |
| 2 | |
| Researcher: | Sharma, Jagan Nath |
| Guide: | Sharma, Harish |
| University: | Panjab University |
| Language: | English |
| 3 | |
| Researcher: | Sharma, M R |
| Guide: | Kaul, Lokesh |
| University: | Himachal Pradesh University |
| Language: | English |