hi deepak!

your question is bit ambiguous however what i am understanding by your question is your son is in 12th grade and you are asking for arts colleges , therefore here i am listing some

1. lady shri ram college for women [LSR] , new delhi

2. loyola college , chennai

3. St xaviers college , mumbai

4. christ university, bangalore

5. lovely professional university [LPU] , jalandhar

6. miranda house, new delhi

7. presidency college , chennai

8. madras christian college [MCC] , chennai

hope this helps!

if there is something else you want to know please do comment below