Act of Market Committee etc. not to be invalidated

No Act of a Market Committee or of any such committee thereof or of any person 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 the 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 of for any other informality not effecting the merit of the case.