Section 144(7) in The Coal Mines Regulations, 2017
(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 dust used shall be maintained in a bound paged book kept of the purpose and every entry in such book shall be signed and dated by the dust in-charge, and countersigned and dated by the manager or the ventilation officer.
