Vriddhachalam Junction railway station
Vriddhachalam Junction railway station is located in Cuddalore district in the Indian state of  Tamil Nadu and serves Virudhachalam. History
The South Indian Railway Company laid a -long metre-gauge trunk line from Chennai to Tuticorin in 1880. With the conversion from metre gauge to broad gauge in the entire Egmore–Tambaram–Villupuram–Tiruchirapalli–Dindigul–Madurai sector virtually complete broad-gauge passenger traffic was initiated in March 2001. Electrification
The broad-gauge Viluppuram–Tiruchirapalli sector was electrified in 2010. Despite the fact that most trains bound to South Tamil Nadu stop at this station, this station is only a 'B' grade station. 