| 1 | |
| Researcher: | Raja Ram |
| University: | University of Delhi |
| Language: | Hindi |
| 2 | |
| Researcher: | Ojha, Raja Ram |
| University: | Osmania University |
| Language: | Hindi |
| 3 | |
| Researcher: | Jain, Raja Ram |
| Guide: | Naidu, S Hanumant |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University |
| Language: | English |