Section 109(2) in The Indian Electricity Rules, 1956
(2)[ In mines and oil fields, the rules in this Chapter shall not apply to apparatus above the ground level except where such apparatus may directly affect the safety of the persons employed in underground, open-cast and oil-fields.] [ Substituted by G.S.R. 112, dated 22.3.2000 (w.e.f. 15.4.2000).]