(2) “The grounds on which it is proposed to take such action shall be reduced to the form of definite charge or charges which shall be communicated in writing to the persons charged together with a statement of allegations on which each charge is based and of any other circumstances which it is proposed to take up into consideration in passing orders on the case and he shall be required within a reasonable time to state in writing whether he admits the truth of all or any, of the charges, what explanation for defence, if any, he has to offer and whether he desires to be heard in person. If the punishing authority is not satisfied with the explanation given by the person charged or there are other reasons to do so shall direct that an enquiry shall be held at which all evidence shall be heard as to such of the charges as are not admitted. The persons charged shall, subject to the conditions described in sub-rule (3), be entitled to cross examine the witnesses, to give evidence in person and to have such witness called, as he may wish, provided that the Officer conducting the enquiry may for reasons to be recorded in writing, refuse to call any witness. The proceedings shall contain a sufficient record or the evidence and statement of the findings and the grounds thereof provided that