law: 31. Principal seat and other places of sitting of the common High Court.-
  (1) The principal seat of the common High Court shall be at the same place at which the principal seat of the High Court of Assam and Nagaland is located immediately before the appointed day.
  (2) The President may by notified order provide for the establishment of a permanent bench or benches of the common High Court at one or more places within the territories to which the jurisdiction of the High Court extends, other than the principal seat of the High Court, and for any matters connected therewith:
  Provided that before issuing any order under this sub-section, the President shall consult the Chief Justice of the common High Court and the Governor of the State in which the bench or benches is or are proposed to be established.
  (3) Notwithstanding anything contained in sub-section (1) or sub-section (2), the Judges and division courts of the common High Court may also sit at such other place or places in the State of 1[Assam, Arunachal Pradesh, Mizoram or Nagaland] as the Chief Justice may, with the approval of the Governor of the State concerned, appoint.