| 1 | |
| Researcher: | Singh, Om Prakash |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Singh, Birendra Kumar |
| Guide: | Mitra, R N |
| University: | University of Calcutta |
| Language: | English |
| 3 | |
| Researcher: | Singh, Ranjana |
| Guide: | Verma, S N |
| University: | Banaras Hindu University |
| Language: | English |