suggest me an undergraduate course that will find me a job in usa.?? soon or later. i am 17 years old.i wish to go to usa by the age of 27

i am in class 11 going to give cbse 12 exam in 2013. as of now i want to study mechanical engineering but i am not sure whether it will give me a chance to go u.s.a. i also have computer as 4th subject. suggest me a course whatever it might be dat will take me to u.s.a. i want to live there forever.