Kolkata railway station is the newest of the six intercity railway stations serving Howrah and Kolkata, West Bengal, India, the others are Sealdah station in Kolkata and Howrah Junction, Dankuni Junction, Shalimar station and Santragachi Junction on western banks of the Hooghly river. Kolkata station is situated in the Chitpur locality of North Kolkata.

The Bandhan Express train is an international express rail service which runs between the Indian city Kolkata and the Bangladeshi city Khulna every week. It is the second modern day, fully air conditioned passenger train link between the Indian state West Bengal and Bangladesh. The Bengali word Bandhan means bonding when translated to English. It was initially referred to as the Maitree Express II. A valid visa and passport is required before purchasing a ticket for the Bandhan Express train. Tickets are available at Khulna railway station in Bangladesh and at Chitpur Station in Kolkata, India.