(12) (a) Where the matters referred to in sub- sections (4), (6), (7), (8) and (10) arise in an international commercial arbitration the reference to" Chief Justice" in those subsections shall he construed as a reference to the" Chief Justice of India."
(b) Where the matters referred to in sub- sections (4), (5), (7), (8), and (10) arise in any other arbitration, the reference to" Chief Justice" in those sub- sections shall he construed as a reference to the Chief Justice of the High Court within whose local limits the principal Civil Court referred to in clause (e) of sub- section (1) of section 2 is situate and, where the High Court itself is the Court referred to in that clause, to the Chief justice of that High Court.