The Netrakona–Mohanganj Railway was constructed between 1912 and 1918 by the Mymensingh-Bhairab Bazar Railway Company .
The line was taken over by the government in 1948–49 and is now under the jurisdiction of Bangladesh Railway
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/8/20/1773 “Mymensingh-Bhairab Bazar Railway Company Limited and Assam-Bengal Railway Company Limited, Contract for apportionment of earnings from cross traffic to and from Netrakona-Mohanganj Railway; 1933"
See page Mymensingh-Bhairab Bazar Railway
- Wikipedia "Narayanganj - Bahadurabad Ghat Line"; Retrieved 13 Dec 2015
- “British Library Archives and Manuscripts Catalogue” - Search; Retrieved Jan 2016