| 1 | Petrography and industrial potential of the rocks around Umaria coalfields, M P | |
| Researcher: | Rishi, Mohan Krishen | |
| University: | Dr Harisingh Gour Vishwavidyalaya | |
| Language: | English | |
| 2 | ||
| Researcher: | Rishi, N D | |
| University: | University of Kashmir | |
| Language: | English | |
| 3 | ||
| Researcher: | Rishi, Kewal Krishan | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||