Vacancies etc. not to invalidate act and proceedings of the Board

In the event of any vacancy in the office of a member of the Board by reason of death, resignation, removal or otherwise, such vacancy may be filled in by the Government and the member thus appointed in such vacancy shall hold office for the unexpired term of the member whose place he fills. No act or proceedings of the Board shall be invalid merely by reason of the existence of any vacancy amongst its members or any defect in the constitution thereof.