Hai, would like to start learning sap so what kind of modules does it suite my profile

Hai,

Would like to start learning sap so what kind of modules does it suite my profile.

Can any one suggest me i have been working as a technical consultant in a client location. Would like to change my domain into SAP, so can anyone suggest me or advice me what are the modules does it suites my profile.

Regards,

Charan Sharma