| 1 | |
| Researcher: | Katiyar, Sadhana | 
| Guide: | Dube, R S | 
| University: | Banaras Hindu University | 
| Language: | English | 
| 2 | |
| Researcher: | Patel, D K | 
| Guide: | Shah, R K | 
| University: | Gujarat University | 
| Language: | English | 
| 3 | |
| Researcher: | Pandey, Ram Awatar | 
| Guide: | Parhad, N MKumaran, P | 
| University: | Rashtrasant Tukadoji Maharaj Nagpur University | 
| Language: | English |