Section 209(7) in The Orissa Building and Others Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2002
(7)The person entitled to appear under sub-rule (2), called for evidence or representing in an enquiry shall be entitled to make an opening statement, give evidence, request the enquiry officer to call for specified document or evidence, cross examination other person or to the extent and at the stage permitted by the authority or enquiry officer holding the enquiry.