reasonable opportunity The reasonable opportunity includes-(a) an opportunity to deny his guilt and establish his innocence which he can only do if he is told what the charges levelled against him are, and the allegations on which such charges are based; (b) an opportunity to defend himself by cross-examining the witnesses produced against him and by examining himself and his witnesses in support of his defence, and (c) opportunity to make his representation as to why the proposed punishment should not be inflicted on him. Reasonable opportunity to show cause includes not only an opportunity to submit an explanation but also an opportunity to adduce evidence to disprove the charges on the basis of which the action is proposed to be taken against him.