Hello Jasbir,

Yes you can opt for BA after studying science till class twelve. You just have to opt for a subject that you are comfortable with. There will be no issue with catching up because the teachers are always there to help

Here are the best colleges that you can apply for:-

Jawaharlal Nehru University, Delhi
Banaras Hindu University
Christ University, Bangalore
St Xavier's college, Mumbai
Presidency University, Kolkata
Delhi College of Arts and Commerce

Here are only a few names. You can find other colleges online.