| 1 | |
| Researcher: | Shukla, Devendra |
| Guide: | Srivastava, Parma Nand |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |
| 2 | |
| Researcher: | Singh, Devendra Prasad |
| Guide: | Tripathi, Chandrakala |
| University: | Banaras Hindu University |
| Language: | English |