Hey Abhinav, 

The Himachal Pradesh university has different criteria for its different courses like if the candidate wants to go for MBBS / NDS then he / she must have appeared for NEET  whereas admission to B.Tech is given on the basis of marks obtained in Entrance test conducted by HPU and also merit basis for BBA, BCA, BHM courses the admission is granted on the merit basis for LLB based on the entrance exam conducted by the university

For any other information regarding admission you can check the official website from the link undergiven

https://admissions.hpushimla.in

Hope it helps :)