45. Subject to the provisions of this Constitution Supreme court. The Supreme Court shall, to the exclusion of any other Court, have an original jurisdiction—
(1) in any dispute between the Federal Govern- ment and a Provincial Government if and in so far as the dispute involves any question whether of law or fact on which the existence or extent of a legal right depends.
(2) It shall also have original jurisdiction in all matters—
(i) referred to the Supreme Court by the President;
(ii) in which the Federal Government or a person suing or being sued on behalf of the Federal Government is a party;
(iii) affecting consuls or other representatives of other countries;
(iv) between Provinces;
(v) arising under this Constitution or involving its interpretation.