Section 6(2)(c) in The Oilfields (Regulation And Development) Act, 1948
(c)the development of any [mineral oil resources] [ Substituted by Act 67 of 1957, Section 32 and Schedule III, for " mineral resources" (w.e.f. 1.6.1958).] in any area by prescribing or regulating the use of any engines, machinery or other equipment;