REVIEW. 37 . Power to Review The State Government may, at any time, either on their own motion or otherwise, review any order passed by them under these rules, when any new material or evidence which could not be produced or was not available at the time of passing the order under review and which has the effect of changing the nature of the case, has come, or has been brought, to their notice; Provided that no order imposing or enhancing any penalty shall be made by the State Government unless the Government servant concerned has been given a reasonable opportunity of making a representation against the penalty proposed or where it is proposed to impose any of the major penalties specified in rule 8 or to enhance the minor penalty imposed by the order sought to be reviewed to any of the major penalties and if an inquiry under sub-rule (b) of rule 17 has not already been held in the case, no such penalty shall be imposed except after an inquiry in the manner laid down in the said sub-rule (b) of rule 17 which shall be subject to the provisions of sub-rule (c) thereof, and except after consultation with the Tamil Nadu Public Service Commission, where such consultation is necessary. “