Any person may appeal to ¹[the Supreme Court] from any decree (other than a decree nisi) or order under this Act of a High Court made on appeal or otherwise, and from any decree (other than a decree nisi) or order made in the exercise of original jurisdiction by Judges of a High Court or of any Division Court from which an appeal shall not lie to the High Court, when the High Court declares that the case is a fit one for appeal to ¹[the Supreme Court.]