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The first section [[Howrah]] to [[Hooghly]], 24 miles(38km,) opened 1854; via Khana Junction-[[Bhagalpur]]-[[Jamalpur]]-Luckeeserai-Mogul Sarai to [[Allahabad]], 1865; reaching [[Delhi]] on 1 Jan 1867; 1021 miles(1643km) <refname=Admin>[https://archive.org/stream/BombayBarodaAndCentralIndiaRailwaySystem/Bombay_Baroda_And_Central_India_Railway_System#page/n64/mode/1up “Administration Report on Railways 1918” page 53 (pdf62)]; Retrieved 9 Nov 2016</ref>.  The opening of the [[First Chord EIR Line]] in 1871 between Khana Junction and Luckeeserai reduced the Howrah-Delhi mileage to 943 miles(1517km) <ref name=Admin/>. The Khana Junction-Bhagalpur-Jamalpur-Luckeeserai section became secondary and became designated as the [[Sahibganj Loop EIR Line]] <ref> “Symphony of Progress - The Saga of the Eastern Railway 1854-2003”; published by Eastern Railway, 2003; page 15</ref>