(a) in pursuance of an agreement for arbitration to which the Protocol set forth in the Second Schedule applies, and

(b) between persons of whom one is subject to the jurisdiction of some one of such Powers as the Central Government, being satisfied that reciprocal provisions have been made, may, by notification in the Official Gazette, declare to be panics to the Convention set forth in the Third Schedule, and of whom the other is subject to the jurisdiction of some other of the Powers aforesaid, and

(c) in one of such territories as the Central Government, being satisfied that reciprocal provisions have been made, may, by like notification, declare to be territories to which the said Convention applies, and for the purposes of this Chapter an award shall not be deemed to be final if any proceedings for the purpose of contesting the validity of the award are pending in the country in which it was made.