[1] [2] [3] [4] [5] The Eastern lines of Kolkata Suburban Railway comprises 14 Local train routes that are operated by the Eastern Railway zone, serving the Kolkata metropolitan region and its neighbouring areas in West Bengal, India.

The third corridor connects Shantipur to Sealdah via Ranaghat, The fourth one is from Bangaon to Sealdah via DumDum Jn, fifth one is connecting Hasnabad to Sealdah via DumDum Jn and Barasat Jn, the sixth line connects Sealdah to Kalyani Simanta via Kalyani railway station and the seventh corridor is a Single-track railway corridor between Ranaghat and Bangaon.

[7] The Major Carsheds on this line are at Howrah, Bandel, Narkeldanga, Barasat and Ranaghat on both of the sections.

The Eastern lines consists of the following sections with routes: Names in bold indicate that the station is a fast train stop as well as important terminal.

From 1957, The Eastern Railway Started Electrification at Howrah - Tarakeswar Route with 1500 V DC later it was converted to 25000 V AC 50 Hz in 1967-68, after that the work goes also on the chord line, Barddhaman & Bandel To Katwa line of Howrah Division, which is now fully electrified.