DO not forged any documents, as the verification process has become very strict and if you get yourself into any kind of false documentation it will create a black mark on your profile.
If you have all the documents valid and genuine you wouldn't have this question on your minds..
Here is some inside news of a verification companies just be aware of this , all the verification / back ground check companies do have a saved database of blacklisted candidates, and many tier one or two companies hire big background check companies.
Be wise and submit all the genuine documents.