what are the different designations in banking?…how to start a career in banking?

I m an undergraduate studying +2 commerce, 2nd year.dis yr i will b completin my +2.so, i ws wondering what to do next!..
please give me details about
1.various designations in banking and
2.procedure for enrolling into a banking course.

is there any bachelor’s degree in banking in India?or any other independent body dat offers a professional banking course to undergraduates ?
THANK U