Section 3(1)(c) in The Code of Criminal Procedure, 1973
(c)any reference to a Magistrate of the first class shall, -(i)in relation to a metropolitan area, be construed as a reference to a Metropolitan Magistrate exercising jurisdiction in that area;(ii)in relation to any other area, be construed as a reference to a Judicial Magistrate of the first class exercising jurisdiction in that area :