The line was originally built in the late ninteeth century and crossed between British and French territory at the Sankaraparani River.

Before broad gauge conversion, trains between Puducherry and Villupuram halted at Palliyaneliyanur.

[7] The branch line serves superfast express trains bound for Howrah, Bhubaneswar, and New Delhi.

Valavanur station is located in the Viluppuram district of the Indian state of Tamil Nadu, India.

As of 2019 there were plans to expand the station with a line block and siding to accommodate through service trains.