USA

Hi, MBA programs typically requires applicants to take the GMAT and prefers candidates with some work experience. Under special cases, for example, if you are quite a competitive and brilliant student a B-School may accept you without work experience. Career goals essay reasoning why you want to do your MBA, your post MBA plans etc. Are one of the most important component for your application. You should check websites of desired business schools and get an idea of the student profiles, average GMAT scores, average years of work experience etc. And prepare accordingly. It will take a year or 2 for your preparation, if you haven't taken the tests yet. Admissions are competitive and is not a matter of a couple of months.

If you wish to settle abroad, because you think there are more perspectives out there for Indian Chartered Accountants, then you are wrong, it won't be that easy. It's better if you settle in India or else you have selected wrong courses. If you wish to settle abroad, because of social reasons, then maybe you will have to improve your educational recognition. This would be simpler though. If you are an Indian Chartered Accountant, there are many Memorandum of Understandings that would allow you exemptions in pursuing the other worldly recognised courses. Yes, you will have to pursue the local courses in those countries for getting better prospective. One way out is that you can work with Indian Companies abroad or Foreign Countries who have operations in India because these are the companies who would require a specialised accountant to deal with legal issues relating to India, just like Indian companies employ CPA.
Conclusion: Indian Chartered Accountants can only have jobs in foreign where Indian operations are involved or else you need to pursue the locally recognised course in that country, check what exemptions you get because of your Indian education and pursue that course to do practice in both - Foreign Operations and Indian Operations, outside India.