How to start in SAP

Hi,I am working as a linux system admin in a web hosting company with a experience of more than 1.5 years.I ahve also worked on WAN.But now i want to shift to SAP.Could you please tell me which module should i go for and from which institute.I prefer delhi.I have heard of siemens a lot.Could you please send me the details of their program as well.
Thanks