1. IOR/V/27/610/12 Reference (shelfmark): IOR/V/27/610/12 Title: India. Ministry of Works, Mines and Power, Mineral Concession Rules, 1949. Delhi, 1949; Mineral Concession Rules, 1949, Corrected up to 16 November 1951, Corrected up to 1 October 1952, Corrected up to 31 August 1954. Delhi, 1952-1954 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1949-1954 Extent: 1 volume