| 1 | ||
| Researcher: | Ravi, Prakash | |
| University: | University of Pune | |
| Language: | English | |
| 2 | ||
| Researcher: | Ranjan, Ravi | |
| Guide: | Chatturvedi, Sacchidanand | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Dikshit, Ravi Shankar | |
| University: | Dr Harisingh Gour Vishwavidyalaya | |
| Language: | Hindi | |
| 4 | ||
| Researcher: | Nagar, Ravi Shankar | |
| University: | University of Delhi | |
| Language: | English | |