| 1 | |
| Researcher: | Tripathi, Ravindra Nath |
| Guide: | Sivaraman, S |
| University: | Dr Harisingh Gour Vishwavidyalaya |
| Language: | English |
| 2 | |
| Researcher: | Pal, Ravindra Nath |
| Guide: | Sharma, Ranvir |
| University: | Himachal Pradesh University |
| Language: | English |
| 3 | Madhyapradeshiya kshetra ke antarrajiye sambandhon ka adhyayan, 600 Isa purva se 1200 Isvi tak |
| Researcher: | Agarwal, Ravindra Nath |
| Guide: | Pande, Sudhakar |
| University: | Dr Harisingh Gour Vishwavidyalaya |
| Language: | English |