B.Ed

Please refer to the link for top colleges for B.Ed:
https://www.shiksha.com/teaching-education/colleges/b-ed-colleges-delhi-ncr

Hi Nikita,
Yes, you can pursue B.Ed. Any graduate can pursue a B.Ed and there is no gap or age limit.

Hi Reena,
You cannot apply directly after 12th. You can apply for a B.Ed course only after you have completed your B.A or B.Sc.

After B.Sc, if you choose to do B.Ed, you can only apply for primary class teacher job in govt. schools as TGT. For post-graduate trained (PGT) teachers, you should have both M.Sc and B.Ed degree. If you have a genuine interest in teaching then do M.Sc and after that B.Ed. If you want to do a job in private sector companies, go for MBA.
Good luck.