| 1 | |
| Researcher: | Nigam, Lakshmi Narain |
| University: | Indian Institute of Technology |
| Language: | English |
| 2 | |
| Researcher: | Bhatt, Hari Datt |
| University: | Dr Bhimrao Ambedkar University |
| Language: | Hindi |
| 3 | |
| Researcher: | Ray, Sarojendranath |
| University: | University of Calcutta |
| Language: | English |