| 1 | |
| Researcher: | Lal, Ram Naresh |
| Guide: | Sinha, J NNagar, A L |
| University: | University of Delhi |
| Language: | English |
| 2 | |
| Researcher: | Khan, Gangadhar |
| Guide: | Sinha, J N |
| University: | Patna University |
| Language: | English |
| 3 | |
| Researcher: | Gorayan, Rabindersingh |
| Guide: | Sinha, J N |
| University: | Banaras Hindu University |
| Language: | English |