It is all bout what you are interested in doin comes first always not what background your from.
SAP has different modules for different fields of specification. You can attend a demo class conducted by zarantech training, all your doubts could be cleared there.
To know more about there fee structure and course details you can go through this links.
http://www.zarantech.com/course-list/sap
http://www.zarantech.com/enrollment/
