Grand Chord is part of the Howrah–Gaya–Delhi line and Howrah–Allahabad–Mumbai line. It acts as a link between , (West Bengal) and Pt. Deen Dayal Upadhyay Junction, Uttar Pradesh, previously known as Mughalsarai Junction, and covers a stretch of 450.7 km (280.1 mi). The line that branches off from Dhanbad Junction and rejoins the Grand Chord at Son Nagar Junction is another major coal loading hub. It is a fully electrified, triple line section from Pt. Deen Dayal Upadhyay to Son Nagar and double line section from Son Nagar to Sitarampur . There are plans to triple the lines from Son Nagar to Dhanbad to accommodate the increasing traffic. . The entire line lies under the jurisdiction of three divisions, Mughalsarai railway division , Dhanbad railway division and Asansol railway division. Th