The City of Bombay Municipal Act, 1888, and the Calcutta Municipal Consolidation Act, 1889, shall, so far as regards —
        (a) the jurisdiction thereby conferred upon Appellate Benches of Municipal Authorities and upon Presidency and other Magistrates and Courts of Small Causes or any Judge of such a Court, and
        (b) the decisions, orders and other proceedings of those Benches, Magistrates and Courts or of any such Judge, be as valid as if they had been passed by the Governor General of India in Council at a meeting for the purpose of making Laws and Regulations