Is there a provision for making rules of court and regulating sittings in existing High Courts?
Yes, there is a provision for making rules of court and regulating sittings in existing High Courts. The power to make such rules and regulate sittings is mentioned in the given context: "the respective powers of the Judges thereof in relation to the administration of justice in the Court, including any power to make rules of Court and to regulate the sittings of the Court and of members thereof sitting alone or in Division Courts".