(7)At the conclusion of the enquiry, the authority inquiring into the charges shall prepare a report of the inquiry, recording its findings on each of the charges together with the reasons therefor. If in the opinion of such authority the proceedings of the inquiry establish charges different from those originally framed, he may record its findings on such charges :Provided that findings on such charges shall not be recorded unless the member of the service charged has admitted the facts constituting them or has had an opportunity of defending himself against them.