Till April 2003, the South Eastern Railway comprised eight divisions: Kharagpur, Adra, Sambalpur, Khurda Road, Visakhapatnam, Chakradharpur, Bilaspur and Nagpur.

[4] The South Eastern Railway has electric multiple unit sheds in Tikiapara (near Howrah), Kharagpur and Panskura.

Electric locomotive sheds are in Santragachi (near Howrah), Tatanagar, Bokaro Steel City, Rourkela, Kharagpur and Bondamunda.

SER also runs regular electric multiple units (EMU) services to areas adjacent to Kolkata, from Howrah to Kharagpur, Amta, Medinipur, Tatanagar, Balasore, Rourkela and Santragachi to Shalimar.

It has a brick red finish and follows the Indo-Saracenic architecture, complete with slender pillars, turrets and a huge central dome.

The milk white two-storied building with pillars and pediments once served as a residence of the last Nawab of Oudh, Wajid Ali Shah.

The complex also houses several other buildings of historical importance and include Bungalow 12, which once served as the residence of the famous Indologist William Jones.

Apart from buildings the complex also houses a vintage steam engine, a restored ball signal and a plaque of 978 Balloon Squadron, RAF.