Section 61A(12) in Kolkata Municipal Corporation Act, 1980
(12)Any Councillor declared disqualified under sub-section (1) or the Leader of the recognised political party referred to in sub-section (7), if aggrieved by the decision of the competent authority, may, within thirty days from the date of the order, appeal to such authority as the State Government may appoint in this behalf and, thereupon, the authority so appointed may stay the operation of the order till the disposal of the appeal and may, after giving notice of the appeal to the competent authority, and after giving the appellant and the opposite parties an opportunity of being heard, set aside or confirm the order or declare any Councillor or Councillors to be disqualified under, and in accordance with the provisions of sub-section (1) and, upon such declaration, the Councillor or Councillors shall stand removed from the Corporation.