Section 112(2) in The Maharashtra Zilla Parishads and Panchayat Samitis Act, 1961
(2)The Zilla Parishad shall have power to act notwithstanding any vacancy in the Councillorship, or any defect in the constitution, thereof, and such proceeding of the Parishad shall be valid notwithstanding that it is discovered subsequently that some person who was not entitled to do so sat or voted or otherwise took part in the proceedings.