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The '''Delhi-Umballa-Kalka Railway'''(DKR) Company was formed in 1889. The broad gauge([[Rail_gauge#Broad_Gauge|BG]]) line ran north from [[Delhi]] via [[Umballa]]+(Ambala) to [[Kalka]] in the Himalayan foothills where there was a connection to the DKR owned [[Kalka-Simla Railway]] narrow gauge([[Rail_gauge#Narrow_Gauge|NG]]) line that opened in 1903.<ref name=name/> <ref>[https://archive.org/stream/BombayBarodaAndCentralIndiaRailwaySystem/Bombay_Baroda_And_Central_India_Railway_System#page/n68/mode/2up 1up " Administration Report on the Railways in India – corrected up to 31st March 1918"; Superintendent of Government Printing, Calcutta; page 60]; Retrieved 2 Feb 201624 Dec 2017</ref>.

Construction of the 161 mile(243km) stated in May 1889 and opened in March 1891. The BG line was worked by the [[East Indian Railway]](EIR) and taken . Taken over by the Government of India([[Government of India |GoI]]) in 1925and the working transferred to the [[North Western Railway]](NWR).