What do I need to know as a career changing student, to start medical school in the US?"?

I am a Production Engg. graduate from India.i am not interested in engg.,i am interested in studying medical.i want to study medical from USA.
i have not appeared for 12th std. so please suggest me the proper way to opt for MBBS in USA with the details of colleges, scholarships, part time jobs while pursuing medical education in USA.

OK, color me puzzled . . .

Colour me even more puzzled.

I don’t know what you mean by ‘I have not appeared for 12th std” but here is a good informative site that might help.