Katpadi Jn --- Katpadi Jn in the Vellore city is one of the busiest railway junction in southern railway and Chennai division. Located on Chennai-Bangalore and Villupuram-Tirupati lines, it is one of the cleanest and well maintained station of southern railway. Also its among the top 10 revenue earning station in TN. This is the only junction where MAS-SBC Shatabdi stops between on route. The station have five platforms with a stoppage of nearly 204 trains. Station Code - KPD.