Section 147(7) in The Coal Mines Regulations, 2011
(7)A daily record of the areas cleaned of coal dust and of the areas treated with incombustible dust or with Water and the amount of incombustible just used shall be maintained in a bound paged book kept of the purpose and every entry in this book shall be signed and dated the dust in-charge, and countersigned by the manager or the ventilation officer.
