Section 164(4) in The Coal Mines Regulations, 2017
(4)Whenever there is any interruption of ventilation by the stoppage of any mechanical ventilator, including an auxiliary fan installed belowground, the official in charge of the mine or part shall immediately take precautionary measures including withdrawal of men, if necessary, against dangers that may arise out of non-compliance with the provisions of regulation 153, to restore the ventilation in the mine or part thereof.