Section 51A(2) in The Madras City Police Act, 1888
(2)Before an order is passed against any person under subsection (1) or sub-section (1-A) the Commissioner or any Joint Commissioner or any Deputy Commissioner authorized by him shall inform such person in writing of the general nature of the material allegations against him and give him a reasonable opportunity of explaining those allegations. The Commissioner or Joint Commissioner or Deputy Commissioner may also examine any witnesses produced by such person. Any written statement made by such person shall be filed with the record.Such person shall be entitled to appear before the Commissioner or Joint Commissioner or Deputy Commissioner by an advocate or attorney for the purpose of explaining the allegations against him and examining the witnesses produced by him.