| 21 | |
| Researcher: | Sikdar, Jogendra Chandra |
| University: | Rani Durgavati Vishwavidyalaya |
| Language: | English |
| 22 | |
| Researcher: | Sinha, Bashistha Narayan |
| University: | Banaras Hindu University |
| Language: | English |
| 23 | |
| Researcher: | Tatia, Nathmal |
| University: | University of Calcutta |
| Language: | English |