(i) The Board shall meet at such times and places, and shall observe such rules of procedure in regard to the transaction of business at its meetings (including quorum at such meetings) as may be provided by regulations.
(2) The Chairman or, if for any reason, he is unable to attend any meeting of the Board, any other member chosen by the members present at the meeting shall preside at the meeting.
(3) All questions which come up before any meeting of the Board shall be decided by a majority of the members of the Board present and voting, and, in the event of an equality of votes, the Chairman, or in his absence, the person presiding, shall have a second or casting vote.
8. No act or proceeding of the Board shall be invalid merely by reason of— fa) any vacancy in, or any defect in the constitution of the Board; or
(b) any defect in the appointment of a person as a member of the Board; or
(c) any irregularity in the procedure of the Board not affecting the merits of the case.