I have done bcom. Can i do ma english now + b ed English.Will then i be allowed for tgt english. Is Ba english necessary. Or ma english ok

Yes, you can do M.A. English, but for TGT in school, B.Ed is necessary, but as you do Masters you become eligible for teaching in higher classes. If you want TGT post you can just pursue D.EL.ED. It is a 2 year course.