| 1 | |
| Researcher: | Singh, Indresh Chandra |
| University: | Banaras Hindu University |
| Language: | Hindi |
| 2 | |
| Researcher: | Rai, Ram Prakash |
| University: | Banaras Hindu University |
| Language: | Hindi |
| 3 | |
| Researcher: | Rarhi, Panna(Rana) |
| Guide: | Mookherjea, Sobhanlal |
| University: | Rabindra Bharati University |
| Language: | English |