What is the required percentage in M.Com to get a good job in the teaching line?

There must be more than 60% to be an eligible candidate to appear in the entrance test to become a teacher in the government sector. However, you can teach with lower marks in private schools/colleges only if you are experienced and capable enough. Go ahead.

For teaching B.Ed is mandatory across India if you want to teach in reputed schools but for colleges PhD is recommended.

First Division in graduation and post graduation are sufficient qualifications for a teacher job. You are advised to do BEd to become a teacher.