The documents obtained under Right to information act are merely in the form of xerox copies not certified by the concerned officer.Can they be produced as genuine legal documents in the court of law as evidence ? also if the person working in the capacity of mahiti adhikari after transfer from that post to elsewhwre uses his stamp of mahiti adhikari of old office and certifies the xerox copies said above to show them as if they were issued during his period,and if his assistant by giving in writing makes evident before court the fact that his officer signed xerox copies after he was transfered, ,will these documents be held illegal?