(2)Where the owner, agent or manager fails to comply with the terms of a notice given under sub-section (1) within the period specified in such notice or, as the case may be, within the extended period of time specified under that sub-section, the Chief Inspector may, by order in writing, prohibit the employment in or about the mine or any part thereof of any person whose employment is not, in his opinion, reasonably necessary for securing compliance with the terms of the notice.