The Industries (Development And Regulation) Act, 1951
29B. Power to exempt in special cases
1[(1) If the Central Government is of opinion, having regard to the smallness of the number of workers employed or to the amount invested in any industrial undertaking or to the desirability of encouraging small undertakings generally or to the stage of development of any scheduled industry, that it would 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, subject to such conditions as it may think fit to impose, any industrial undertaking or class of industrial undertakings or any scheduled industry or class of scheduled industries as it may specify in the notification from the operation of all or any of the provisions of this Act or of any rule or order made thereunder.
1[(2) Where any notification under subsection (1) granting any exemption is cancelled, no owner of any industrial undertaking to which the Provisions of section 10, section 11, section 11A or clause (d) of sub-section (1) of section 13 would have applied, if the notification under sub-section (1) had not been issued, shall early on the business of the undertaking after the expiry of such period as may be specified in the notification cancelling the exemption except under and in accordance with a licence issued in this behalf by the Central Government and, in the case of a State Government, except under and in accordance with the previous permission of the Central Government.