| 1 | Revision of the Family Ptychoparidae from the Cambrian of India |
| Researcher: | Sahni, Ashok Kumar |
| Guide: | Shah, S K |
| University: | University of Jammu |
| Language: | English |
| 2 | Revision of the family psychopariade from the cambrian of India |
| Researcher: | Sahni, Ashok Kumar |
| Guide: | Shah, S K |
| University: | University of Jammu |
| Language: | English |