| 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 |