The Barddhaman–Asansol section is a railway line connecting Bardhaman and Asansol. This 106 kilometres (66 mi) track is part of the Howrah–Delhi main line, Howrah–Gaya–Delhi line and Howrah–Allahabad–Mumbai line. It is under the jurisdiction of Eastern Railway, and is connected to the South Eastern Railway through Asansol–Adra line at Asansol Jn and Kalipahari–Damodar connector at Kalipahari.

The Howrah–Prayagraj–Mumbai line, is a railway line connecting Kolkata and Mumbai via Prayagraj. The 2,160-kilometre long (1,340 mi) railway line was opened to traffic in 1870. This railway line was 2,146-kilometre long (1,333 mi) until 2004. In 2004 the construction of Indira Sagar Dam submerged the old alignment near Khandwa & a new alignment of 14-kilometre long (8.7 mi) was relaid.