Hi,

You can pursue integrated B.com (//B.com) courses of 5 years duration in Coimbatore. Integrated B.Com + M.Com, Integrated B.Com + M BA, B.Com + LL.B  (https://www.collegedekho.com/courses/bcom-llb/) , B.Com + CIMA, B.Com + ACCA course are few subjects you can study in Coimbatore or any other institutions for a period of 5 years.

Hope this helps.