(1) As from the appointed day,—
         (a) in the Advocates Act, 1961 (25 of 1961), in section 3, in sub-section (1), for clause (b), the following clause shall be substituted, namely:—
             "(b) for the States of Assam and Nagaland and the Union Territory of Manipur, to be known as the Bar Council of Assam and Nagaland;";
         (b) the Bar Council of Assam shall be deemed to be the Bar Council of Assam and Nagaland.
     (2) Any person who immediately before the appointed day is an advocate entitled to practise in the High Court of Assam shall be entitled to practise as an advocate in the common High Court.
     (3) All persons who immediately before the appointed day are advocates on the roll of the Bar Council of Assam shall as from that day become advocates on the roll of the Bar Council of Assam and Nagaland.
     (4) The right of audience in the common High Court shall be regulated in accordance with the like principles as, immediately before the appointed day, are in force with respect to the right of audience in the High Court of Assam:
     Provided that as between the Advocate-General of Assam and the Advocate-General of Nagaland the right of audience shall be determined with reference to their respective dates of enrolment as advocates.