Where any dispute arises between an employer and his employees with respect to the bonus payable under this Act or with respect to the application of this Act to an establishment in public sector, then, such dispute shall be deemed to be an industrial dispute within the meaning of the Industrial Disputes Act, 1947 (14 of 1947), or of any corresponding law relating to investigation and settlement of industrial disputes in force in a State and the provisions of that Act or, as the case may be, such law, shall, save as otherwise expressly provided, apply accordingly.