The management of the Bengal Nagpur Railway was taken over by the Government of India in 1944. Eastern Railway was formed on 14 April 1952 with the portion of East Indian Railway Company east of Mughalsarai and the Bengal Nagpur Railway. In 1955, South Eastern Railway was carved out of Eastern Railway.
In 1944, the management of the Bengal Nagpur Railway was taken over by the Government of India. The Eastern Railway came into existence on April 14, 1952, with a portion of the East Indian Railway Company east of Mughalsarai and the Bengal Nagpur Railway. In 1955, the South Eastern Railway was separated from the Eastern Railway.