| 1 | ||
| Researcher: | Onkar Singh | |
| Guide: | Dhar, M L | |
| University: | University of Jammu | |
| Language: | English | |
| 2 | ||
| Researcher: | Onkar Singh | |
| Guide: | Dhar, M L | |
| University: | University of Jammu | |
| Language: | English | |
| 3 | Detection determination and separation of organic and inorganic substances | |
| Researcher: | Onkar, Singh | |
| Guide: | Rawat, J P | |
| University: | Aligarh Muslim University | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Onkar Singh | |
| Guide: | Dhar, M L | |
| University: | University of Jammu | |
| Language: | English | |
| 5 | Studies on some polumeric stationary phases in gas chromatography | |
| Researcher: | Tyagi, Onkar Singh | |
| Guide: | Deshpande, D D | |
| University: | Indian Institute of Technology-bombay | |
| Language: | English | |