Section 159(6) in The Coal Mines Regulations, 2011
(6)Particulars of every alteration and every stoppage including any stoppage beyond control together with the duration thereof, shall be recorded by the competent person appointed under this regulations, in a bound paged book kept for the purpose:Provided that whenever a mechanical ventilator or a booster fan has been stopped for any reason whatsoever, the competent person shall immediately record the time of stoppage in the aforesaid book and send it to the manager or the person authorised in this behalf for his appraisal and such the manager, or the person authorised, or the official, as the case may be, shall sign the entry in the bound paged book in respect of the stoppage, duly signed and dated and return the book to the competent person:Provided further that when the stoppage of mechanical ventilator or a booster fan has been brought to the notice of the official other than the manager or person authorised in this behalf, the said official shall immediately inform the fact in writing to the manager or in his absence to any competent person appointed under this regulation or the official superior to the manager, about such stoppage and the manager or such person or superior official, as the case may be, shall acknowledge in writing the receipt of such information sent to him and shall, without prejudice to the standing order under regulation 160 take such action as may be expedited for the safety of persons employed in the mine and the details of every action thus taken by him shall be recorded in the aforesaid book.