Hello Rahul

I hope you are doing good . As per your query ,  I would like to tell you that for becoming business analyst specialisation in finance will be a better option if you are good in mathematics . In finance you will be taught how to handle business problems of many department and how to analyse data to produce the desired financing results . Moreover , you will have to persue mba in business anaylst specialisation for growth

Hope you found this answer helpful. Good luck for your future