 Watts, Dewan of the erstwhile Travancore, took the initiative to extend the railway line to the heart of the city.The terminus was shifted to current location Thiruvananthapuram Central Thampanoor in 1931.The Thiruvananthapuram Central station building was built during the reign of Sethu Lakshmi Bayi, the Maharani of Travancore, and inaugurated on 4 November 1931.