Changes

The first section [[Howrah]] to [[Hooghly]], 24 miles(38km,) opened 1854; via Khana Junction-[[Bhagalpur]]-[[Jamalpur]]-Luckeeserai-Mogul Sarai to [[Allahabad]], 1865. With the opening of the [[Jumna Bridge]] completed 1865; connecting from Allahabad via Cawnpore and Ghaziabad to Delhi (South Bank, Jumna River) in 1864, and to Delhi Terminus in 1867; 864 miles(1643km). ; reaching [[Delhi]] on 1 Jan 1867; 1021 miles(1643km) <refname=Admin>[https://archive.org/stream/BombayBarodaAndCentralIndiaRailwaySystem/Bombay_Baroda_And_Central_India_Railway_System#page/n64n61/mode/1up “Administration Report on Railways 1918” page 53 (pdf62pdf61)]; Retrieved 9 Nov 201629 Aug 2020</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>  ==Early Considerations on this line==The construction of this line was subject to several debates and considerations - see separate pages:-* ‘[[East India Company - Early Proposals for Railways, 1845]]’* '[[Great Trunk Railway from Calcutta]] 1847'* '[[Calcutta to Delhi Railway Proposal 1852-53]]'

and '''[[East Indian Railway – - Lines owned and worked#BG Lines - owned and worked by EIR]]''' page which includes details of the branches and extensions to this Main Line.