Mashrak–Thawe Extension Railway was owned by the Government of India and worked by Bengal and North Western Railway.
History
The metre gauge line from Mashrak to Thawe was opened 12 January 1931. The Mashrak–Thawe Extension Railway was merged into the Oudh and Tirhut Railway on 1 January 1943.
Conversion to broad gauge
The railway line was converted to broad gauge in 2017.
References Rao, M.A. (1988). Indian Railways, New Delhi: National Book Trust Chapter 1 – Evolution of Indian Railways-Historical Background