Subject to the provisions of this Part, the law in force immediately before the prescribed day with respect to practice and procedure in the High Court at Madras shall, with the necessary modifications, apply in relation to the High Court of Andhra and accordingly that High Court shall have all such powers to make rules and orders with respect to practice and procedure as are immediately before the prescribed day exercisable by the High Court at Madras:
     Provided that any rules or orders which are in force immediately before the prescribed day with respect to practice and procedure in the High Court at Madras shall, until varied or revoked by rules or orders made by the High Court of Andhra apply with the necessary modifications in relation to practice and procedure in the High Court of Andhra as if made by that Court.