187. Issue and execution of processes of Supreme Court.

1. Supreme Court shall have power to issue such directions, orders or decrees as may be necessary for doing complete justice in any case or matter pending before it, including an order for the purpose of securing the attendance of any person or the discovery or production of any document^[1]:
   Provided that no order under this clause shall be passed otherwise than in pursuance of any jurisdiction vested in and exercised by the Supreme Court.
2. Any such direction, order or decree shall be enforceable throughout Pakistan and shall, where it is^[1] to be executed in a Province, or a territory or an area not forming part of a Province but within the jurisdiction of the High Court of the Province, be executed as if it had been issued by the High Court of that Province.
3. If a question arises as to which High Court shall give effect to a direction, order or decree of the Supreme Court, the decision of the Supreme Court on the question shall be final.