Section 72C(3) in The Maharashtra Municipal Corporations Act, 1949
(3)The concerned competent authority, on noticing or on being brought to its notice any such dereliction of duties on the part of any Municipal Officer or servant, after satisfying itself about such dereliction on the part of such Municipal Officer or servant shall, take appropriate disciplinary action against such defaulting Municipal Officer or servant under the relevant disciplinary rules including taking entry relating to such dereliction of duty in the Annual Confidential Report of such Municipal Officer or servant.