Section 148(f) in The Building And Other Construction Workers '(Regulation Of Employment And Conditions Of Service) Central Rules, 1998
(f)the instructions regarding steps to be followed to fight outbreak of fire, at an excavation or tunnelling work, written in Hindi or local language understood by the majority of the building workers employed on such excavation or tunnelling work, are displayed at conspicuous and vulnerable places of such excavation or tunnelling work.