If the appropriate Government, having regard to the financial position and other relevant circumstances of any establishment or class of establishment, is of opinion that it will not be in public interest to apply all or any of the provisions of this Act thereto, it may, by notification in the Official Gazette, exempt for such period as may be specified therein and subject to such conditions as it may think fit to impose, such establishment or class of establishments from all or any of the provisions of this Act.