<p>MBA admission does not depend on where you went to college. It depends on your GPA, your GMAT scores, and your work experience since graduating. The top MBA programs will expect a bare minimum of 2 years of increasingly responsible professional experience - preferably more.</p>
<p>It is very unlikely that you will be able to find a job in the US that will give you a work visa, so you need to study in a program that will get you a job in your home country - or in some other country that is not the US. Do employers in your country favor graduates of any of the universities that are on your list? If so, you would be best off to attend that university.</p>