Hello,

Yes it is definitely possible for you to take Mba in Finance after your GMAT.MBA in finance has a more diverse and wider scope than other specialisations like Human Resoure and Marketing.So,This is a good decision you have taken.

Coming to the best institutions,the best ones all over the world are the Wharton School,London Business School and Harvard School which requires more than 700 score in GMAT Exam.Within India,IIM Calcutta would be the best option for your specialisation Other than this,FMS and IFIM are good options as well.

Good luck for your career!