i want to become a global buisness man in the world? which subject i can take for study please guide my question

This is one business area where a comprehensive, high level of education is crucial--even for entry-level positions. College degrees are highly valued by other countries, so as you make international contacts, having a degree to add to your name is very important. Your personality and business sense may have gotten you in the door and maybe even helped you advance your career at home, but they won't hold much weight internationally, where customs and business etiquette vary. It's better to have universally recognized credentials, cultural sensitivity, and an ongoing knowledge of world affairs if you want trade doors open to you