what is the scope for M.A. English persone who wants to teach in english medium school?

For teaching English in a good English medium school, you need a diploma/degree in education (like JBT/B.Ed) also. Having an M.A degree makes you eligible for the post of PGT(Post Graduate Teacher) of a TGT(Trained Gradualte Teacher) and PRT(Primary Teacher). This Applies to Govt. schools also.