(1) The Council may constitute such committees from amongst its members, and co-opt therein persons who are not members of the Institute, as it deems necessary for the purpose of carrying out the provisions of this Act:
     Provided that the number of co-opted members shall not exceed one-third of the total membership of the committee.
     (2) Every committee constituted under this section shall elect its own Chairman:
    Provided that--
         (i) where the President is a member of such committee, he shall be the Chairman of such committee, and in his absence, the Vice-President, if he is a member of such committee, shall be its Chairman; and
         (ii) where the President is not a member of such committee but the Vice-President is a member, he shall be its Chairman.
     (3) The committees shall exercise such functions and be subject to such conditions as may be specified.