| 1 | |
| Researcher: | Dubey, Madan Mohan |
| University: | Vikram University |
| Language: | Hindi |
| 2 | |
| Researcher: | Prasad, Govindji |
| University: | University of Allahabad |
| Language: | Hindi |
| 3 | |
| Researcher: | Sharma, Govind Prasad |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University |
| Language: | Hindi |