10. (1) The meeting of the Board shall be held at such times and places and in such manner as may be prescribed: Provided that at least three meetings shall be held in a year. (2) To constitute a quorum at a meeting of the Board, not less than one-third of the total number of members shall be present. (3) All meetings of the Board shall be presided over by the Chairman and, in his absence, by the Vice-Chairman. (4) All matters at a meeting of the Board shall be decided by the votes of the majority of the members present and voting. (5) At a meeting of the Board, each member shall have one vote and, in the event of equality of votes, the person presiding shall have a second or casting vote. (6) No act or proceeding of the Board shall be invalid or be called in question merely on the ground of any vacancy in, or any defect in the constitution of, the Board.