Even before asking why u have to do MBA in Finance, you need to ask why MBA?
MBA is a 'calling' not a degree. After Bachelor's degree and a few years experience working in a company, you will need to feel that the value you can add to your current job is diminishing, as you have already excelled or it's not in the the right direction as desired by you. Are you feeling the same now?
Check other branches too for MBA MBA in finance