Explanation:

Dhanbad Rail Division comes under East Central Railway zone. Grand Chord rail-line passes through Dhanbad junction, it connects Howrah and New Delhi. CIC rail line starts from Dhanbad and ends at Singrauli in Madhya Pradesh. There is one more rail line passing through the district, it starts at Kharagpur and ends at Gomoh, this rail line comes under South Eastern Railway. Dhanbad is connected with almost all states through rail network. Each and every train through this has a stop at Dhanbad. Now, even Sealdah and Howrah Duronto have their stoppage at Dhanbad.