The railway was worked by the Southern Punjab Railway(SPR) as part of its network.
Refer to FIBIS Fact File #4: “Research sources for Indian Railways, 1845-1947” - available from the Fibis shop. This Fact File contains invaluable advice on 'Researching ancestors in the UK records of Indian Railways' with particular reference to the India Office Records (IOR) held at the British Library
An on-line search of the IOR records relating to this railway  gives the following: -
- L/F/8/15/1051 “Southern Punjab Railway Company Limited, Contract for the construction of an extension line from Narwana to Kaithal; 1899"
- "Harayana Revenue Dept Gazeteer"/kurukshetra_2009/Chapter_VII; Retrieved 13 Dec 2015
- Wikipedia "Narwana" /Railway Connectivity; Retrieved 13 Dec 2015
- “British Library Archives and Manuscripts Catalogue” - Search; Retrieved Jan 2016