The Sealdah Main and North section refer to a set of rail lines which connect the city of Kolkata with its northern suburbs and with the North 24 Parganas, Nadia and Murshidabad districts of West Bengal, India along the eastern bank of the Hooghly river. It is a part of the Kolkata Suburban Railway and is under the jurisdiction of the Sealdah railway division of the Eastern Railway zone of Indian Railways. This section also has two international railway transit points with Bangladesh at Gede and Petrapole from where majority of the freight traffic from India is imported into Bangladesh.