Section 224(6) in The Coal Mines Regulations, 2017
(6)Every work place in which drill machine is used shall be placed under the charge of a competent person or persons who shall once at least in every shift, examine every such work place with particular regards to -(i)clearance and whether free from any obstruction;(ii)the state of roof and sides;(iii)ventilation; and(iv)general safety
