| 1 | |
| Researcher: | Chokhey Singh |
| University: | Dr Bhimrao Ambedkar University |
| Language: | English |
| 2 | |
| Researcher: | Ponnayya, B W X |
| University: | University of Madras |
| Language: | English |
| 3 | |
| Researcher: | Datta, Biswanath |
| University: | University of Calcutta |
| Language: | English |