Since pmsss scholarship is only for aspirants who want to study out of Jammu and Kashmir. So, scholarship for studying under Jammu and Kashmir university is not available through the prime minister special scholarship scheme.
However, there are many scholarships available if you want to study in Jammu and Kashmir. which you check below .
KEI High school Scholarship Program (HSSP)
KEI Post Graduate Scholarship Program (PGSP)
Combined Counselling Board (CCB)Scholarship
These are scholarships for those students who want to study with scholarships in Jammu and Kashmir.
So, you can check the eligibility criteria for these and apply accordingly.
Hope this helped.