hi,

see you can definitely join ba in psychology course one you completed your 10+2 course from bipc stream, now the eligibility criteria for ba in psychology course is candidates need to pass 10+2 course from a recognized education board, qualifying marks criteria may differ college to college, since you have studied 12th from science stream you may not get much similarity, but after studying some days you will definitely have grasp over the subjects,

some of the best college for ba in psychology is,

Lady Shree Ram College, New Delhi.

Gargi College, New Delhi.

IP College for Women, New Delhi.

Kamla Nehru College, New Delhi.

Sophia College for Women, Mumbai.

Ambedkar University, New Delhi.

Jamia Milia Islamia, New Delhi.

Christ University, Bangalore