Is it necessary to join institute

Is it necessary to join some institute for doing SAP. Is it possible I get all sorts of knowledge from Internet, Friends doing SAP etc. and appear in an on-line examination. I am sure, I can get it cleared. But tell me is it possible?

[b]Question asked by visitor Sanjay Rastogi[/b]

No not at all. But it is always better to have some one by your side when there is some problem or u are strick some where.