¹[9B. Power of Government to exempt.--Where the appropriate Government is of opinion that the application of the provisions of section 9A to any class of industrial establishments or to any class of workmen employed in any industrial establishment affect the employers in relation thereto so prejudicially that such application may cause serious repercussion on the industry concerned and that public interest so requires, the appropriate Government may, by notification in the Official Gazette, direct that the provisions of the said section shall not apply or shall apply, subject to such conditions as may be specified in the notification, to that class of industrial establishments or to that class of workmen employed in any industrial establishment.]