Section 133(4) in The Coal Mines Regulations, 2011
(4)At the entrance to every mine or district, one or more stations shall be fixed by the manager; and except in the case of a mine working in a continuous succession of shifts no person other the persons making the inspection under sub-regulation (6) or an official shall pass beyond any such station until all the roadways and working places to which such persons are required to have access, have been examined by the competent person in charge of the mine or district and found to be satisfactorily ventilated and in safe condition.