| 1 | |
| Researcher: | Raja, L |
| University: | Madurai Kamaraj University |
| Language: | English |
| 2 | |
| Researcher: | Raja Ram |
| Guide: | Singh, D D |
| University: | University of Lucknow |
| Language: | English |
| 3 | |
| Researcher: | Parihar, Raja Singh |
| Guide: | Bharti, R K |
| University: | Dr Harisingh Gour Vishwavidyalaya |
| Language: | Hindi |