(1)At any sitting of the Council of States, while any resolution for the removal of the Vice-President from his office is under consideration, the Chairman, or while any resolution for the removal of the Deputy Chairman from his office is under consideration, the Deputy Chairman, shall not, though he is present, preside, and the provisions of clause (2) of article 91 shall apply in relation to every such sitting as they apply in relation to a sitting from which the Chairman, or, as the case may be, the Deputy Chairman, is absent.