20. Members of Board or Committees or persons associated with Board not to take part in proceedings in which they are personally all interested.

(a) has, directly or indirectly, by himself or by any partner, any such share or interest as is described in sub-section (1) of section 6 in respect of any matter, or
(b) has acted professionally, in relation to any matter on behalf of any person having therein any such share or interest as aforesaid, shall not vote or take part in any proceedings of the Board or any committee relating to such matter.
(i) he shall at a meeting, relating to such area, of the Board or any committee inform the person presiding of the nature of such interest; and
(ii) he shall not take part in any proceedings relating to such area at a meeting of the Board or any committee.
Chapter-IV
Powers of Board and Chairman to incur expenditure on schemes and enter into contracts