At starting it was a metre-gauge line. But in 1992 it converted into broad gauge. The present building towards city side was constructed in 1995 during the regime of Kalpnath Rai as a Cabinet Minister in Indian Government. The building is just like copy of Varanasi Junction.
There are 3 platforms. After Aunrihar–Bhatni section and Mau–Shahganj section, doubling the number of platforms will be 6. There are two entries at the station one is 'Station Road Side' and other is 'City Side'. Goods rake point also available at Mau Junction but later it will be shifted to Khurhat and rake point will be converted to platforms after development as a Terminal Station.