| 1 | |
| Researcher: | Gupta, Om Prakash |
| University: | Banaras Hindu University |
| Language: | Hindi |
| 2 | |
| Researcher: | Chattopadhyay, Kshitish Chandra |
| University: | University of Calcutta |
| Language: | English |
| 3 | |
| Researcher: | Dwivedi, Kapil Deva |
| University: | University of Allahabad |
| Language: | English |