Which stream should I choose? I did 10+2 with commerce.

It totally depends on your area of interest. If you want to pursue commerce you can go with B.Com or something related to accounts. Further, the link below will help with detailed information: https://www.google.com/amp/s/www.shiksha.com/courses-after-12th/amp/commerce

https://www.google.com/amp/s/www.shiksha.com/courses-after-12th/amp/commerce Follow the link to get to know about the courses that you can opt after 12th grade in commerce department.