73 decision was wrong. The decisions of the Supreme Court on questions of law are binding on other courts. (6) Subject to the provisions of this Constitution or as may be prescribed by any other law, an appeal from the full bench of the High Court (or any other court) shall be heard and determined by a full bench of the Supreme Court. Appellate jurisdiction of Supreme Court 147. (1) An appeal shall lie to the Supreme Court from a judgement, decree or order of the High Court – (a) as of right in a civil or criminal cause or matter from a judgement of the High Court in the exercise of its original jurisdiction; or (b) with the leave of the High Court, in any other cause or matter where the case was commenced in a court lower than the High Court and where the High Court is satisfied that the case involves a substantial question of law or is in the public interest. (2) Where the High Court has denied leave to appeal the Supreme Court may entertain an application for special leave to appeal to the Supreme Court in any cause or matter, civil or criminal, and may grant or refuse leave accordingly. Supervisory and review jurisdiction 148. (1) The Supreme Court has supervisory jurisdiction over all courts of judicature and over any adjudicating authority and may, in the discharge of that jurisdiction, issue orders and directions for the purposes of enforcing or securing the enforcement of its supervisory power. (2) The Supreme Court may review any decision made or given by it on such grounds and subject to such conditions as may be prescribed by an Act of Parliament or rules of court. (3) In the exercise of its review jurisdiction, the Supreme Court shall sit as a full bench. Powers of a single Justice of Supreme Court 149. (1) Subject to the provisions of subsections (2) and (3) a single Justice of the Supreme Court may exercise power vested in the Supreme Court not involving the determination of the cause or matter before the Supreme Court. (2) In criminal matters, where a single Justice refuses or grants an application in the exercise of power vesting in the Supreme Court, a person affected by such an exercise is entitled to have the application determined by the Supreme Court constituted by three Justices. (3) In civil matters, any order, direction or decision made by a single Justice may be varied, discharged or reversed by the Supreme Court of three Justices at the instance of either party to that matter. Part 2 (b) The High Court Composition of the High Court 150. (1) There shall be a High Court of Judicature for Swaziland consisting of – 73