Hello aspirant.

If you belong from the ARTS stream of class 12th then do not worry. You can still apply for MCA course in JNU delhi, providing you must have Mathematics in your graduation level.

The eligibility criteria for MCA at JNU states that :

Candidates must have BCA/ Bachelor Degree in Computer Science Engineering or equivalent degree with a minimum 55% aggregate OR BSc/ BCom/ BA with Mathematics at Class 12 or at graduation level with a minimum 55% aggregate.

To know more about MCA at JNU, all details, you can follow the below mentioned link to know more : https://www.careers360.com/university/jawaharlal-nehru-university-new-delhi/mca-course

I hope that this will help.