Howrah–New Jalpaiguri line

The Howrah–New Jalpaiguri line is a railway line connecting Howrah railway station to New Jalpaiguri Junction railway station in the Indian state of West Bengal. The line continues through North Bengal and western part of Assam to connect with Guwahati.The Howrah–New Jalpaiguri line is divided into two routes: one is the Bardhaman–Rampurhat–New Farakka or Khana–Rampurhat–Gumani section (Part of Sahibganj loop), which is considered as Howrah-NJP main line.The other is the Bandel- Katwa–New Farakka section (Part of BAK loop), which is considered as Howrah-NJP loop line.

Source: Wikipedia — Howrah–New Jalpaiguri line (CC BY-SA 4.0)