1. IOR/L/MIL/7/2 Reference (shelfmark): IOR/L/MIL/7/2 Title: Collection 1/1 Amalgamation of Indian and Imperial cadres and issue of Royal Engineer corps Order No.462 of 1 July 1862. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1861-1874 Extent: 1 file