The Sealdah–Bangaon line is a 78 km (48 mi) long broad gauge railway line that connects the Sealdah Main and North terminus of Kolkata with Bangaon of North 24 Parganas district of West Bengal, India. Once a part of the old Calcutta–Jessore–Khulna line, today it is a busy suburban section of the Kolkata Suburban Railway's Sealdah North section. It is under the jurisdiction of the Sealdah railway division of the Eastern Railway zone of the Indian Railways.