Original sentence: 1958, the present N.Formed on 14 April 1952 by combining two Railway systems and bifurcated into two Railway Zones on 15th Jan
Edited sentence: It was bifurcated into two Railway Zones on 15 January, 1958, the North Eastern Railway and the Northeast Frontier Railway.The North Eastern Railway was formed on 14 April 1952 by combining two Railway systems the Oudh and Tirhut Railway and Assam Railway.The present N