Acts of market committee, etc., not to be invalidated

No act of a market committee, or of any sub-committee thereof, or of any persons acting as a member, Chairman, Vice-Chairman, presiding authority or Secretary shall be deemed to be invalid by reason only of some defect in the constitution or appointment of such market committee, sub-committee, members, Chairman, Vice-Chairman, Presiding authority or Secretary or on the ground that they, or any of them, were disqualified for such office, or that formal notice of the intention to hold a meeting of the committee or of the sub-committee was not given duly or by reason of such act having been done during the period of any vacancy in the office of the Chairman, Vice- Chairman, or Secretary or member of such committee or sub-committee or for any other informality not affecting the merits of the case.