Hi Imran,
There are so much of info available if you try to google out in your required topic.
Also there are info available as part of our forum too.
The best way is to have practical experience by working on the system.
One sample link which might help you to some extent:
http://www.sap4u.org/media/userfiles/articles/pdf/36.pdf
However, you can always reach me for any specific requirement.
Regards
