Section 149(9) in The Coal Mines Regulations, 2017
(9)A competent person shall, once at least in every fourteen days during the rainy season and once at least in every thirty days during other periods of the year, examine every protective measure provided under sub-regulations (1), (2), (3), (4) and (5), whether in use or not, for their stability, and a report of every such examination shall be recorded in a bound paged book kept for the purpose, which shall be signed and dated by the person making the examination and countersigned and dated by the manager.
