Search if there are any company at your location hiring trainees to teach and start working with them or contact the SAP offices of your location to learn more about BI courses, being certificate is a plus and help to find a job but doesn't ensure it.
I advice you to install a trial version of SAP to start get to know the system.
Setting Up BI in Netweaver 7.0 ABAP Trial version - SAP NetWeaver Business Warehouse - SCN Wiki
Regards