Bombay Industrial Relations Act (extended to Gujarat), 1946
(1) Where there are numerous employees having the same interest, one or more of such employees, or the Labour Officer, may, with the permission of the Court, file an application under section 79. Such application may be made on behalf of and for the benefit of all the employees. The Court shall, in such cases, direct the notice of the filing of the application to be given to such employees at the applicant's expense, either by personal service or where from the number of employees or any other cause, such service is not practicable, by public advertisement. The person publishing the advertisement shall file an affidavit in the Court of his having done so. (2) An employee on whose behalf an application is filed under sub-section (1) may apply to the Court to make him a party to such application. The Court may grant such application if it is satisfied