Trade Union Act, 1926
33. Cognizance of offences
(1) No court inferior to that of a Presidency Magistrate or a Magistrate of the first class shall try any offence under this Act.
(2) No court shall take cognizance of any offence under this Act, unless complaint thereof has been made by, or with the previous sanction of, the Registrar or, in the case of an offence under section 32, by the person to whom the copy was given, within six months of the date on which the offence is alleged to have been committed.