The role of Financial Manager usually requires 3-5years of post graduate experience.
This doesnt necessarily mean candidates have to pursue MBA, he can also take up courses Like Chartered accounting, Company secretary, chartered financial analyst, etc.

MBA from top Bschool gives an edge as it directly offers you mid senior level job opportunities into Finance sector with very good salary range of 8-14LPa.

Onecan  also have 5+ years of experience in finance industry without Being MBA to be a financial manager.