DumDum --- The station opened to traffic on 1862 with the opening of The Calcutta (Sealdah)-Kusthia line. It is a very important junction of Sealdah-Ranaghat mainline. Three lines branches out after Dum Dum - the Calcutta chord line to BWN via Dankuni, the Sealdah main line to Ranaghat, Shantipur, Gede & Lalgola, the Sealdah North line to Barasat which further bifurcates towards Bongaon and Hasnabad. DumDum also serves as the terminating station for the Kolkata Circular Railway network. In 1882-84 the Bengal Central Railway Company constructed two lines: one from DumDum to Khulna (now in Bangladesh) via Bangaon and the other linking Ranaghat. In 1932, the Calcutta chord line was built over the Willingdon Bridge (now Bally Bridge) joining DumDum and Dankuni. In 1962 Barasat-Hasnabad BG stretch was opened to traffic thereby linking Sealdah & Hasnabad via DumDum & Barasat. Dum Dum metro station of the north-south Metro Line-1 is adjacent to DumDum railway station. The station has got a large yard on the southern side where it can accomodate as many as six full length good trains (standard rake length). The yard serves as the entry point to the adjacent Chitpur yard and to the Kolkata Port line via Gurudas Banerjee Halt & Ballygunj. For this reason it is one of the most preferred rail-fanning destination of TT. The station have 5 platforms with stoppage of around 23 passenger trains & all EMU trains. PF - 5 is mainly used for Circular Railway EMUs. Station code - DDJ.