Article 131 confers original jurisdiction on the Supreme Court in certain matters, articles 132, 133 and t34 confer appellate powers upon it in civil, criminal and other proceedings, article 135 saves its jurisdiction and powers, until Parliament by law otherwise provides, with respect to any matter to which the provisions of articles 133 and 134 do not apply if jurisdiction and powers in relation to that matter were exercisable by the Federal Court immediately before the commencement of the Constitution under any existing law, article 136 empowers it to grant, in its discretion, 514 special leave to appeal from any judgment, decree, determination, sentence or order in any cause or matter passed or made by any court or tribunal in India other than a court or tribunal constituted by or under any law relating to the Armed Forces, article 137 confers upon it the power to review any judgment pronounced or order made by it, article 139A confers upon it the power in certain circumstances to withdraw cases pending before the High Court for its own decision, article 142(2) confers upon it the power, inter alia, in regard to investigation or punishment of any contempt of itself and finally, article 143 confers upon it advisory jurisdiction in matters mentioned therein.