Section 24B(3) in The Tamil Nadu Civil Courts Act, 1873
(3)The local limits of the jurisdiction of the Subordinate Judge's Court, when it is held at any such place, shall be the same as those of the District Court concerned, but the Subordinate Judge's Court shall not entertain any original suit or proceeding and shall try or dispose of only such suits, appeals and other proceedings as may be transferred to it by the District Court under this Act or any other law.