Now coming your question.. You are from Non IT background but i heard in B.E, EEE student also have some Computer Language related subjects. So you can join any kind of module in SAP, its depend on your interest and ability.
All the best..
I think that best modules for you are BASIS and maybe ABAP. In my company Basis consultants are mostly electrical engineers and Abap consultans are programers or IT engineers.
Here is the list of all modules and submodules: