Thiruvananthapuram Central (Trivandrum Central) is the main railway station in the city of Thiruvananthapuram (formerly Trivandrum) in the Indian state of Kerala . It is the largest and busiest railway station in Kerala in terms of passenger movement and an important rail hub in Southern Railway . It is one of profitable stations under Southern Railway . The building of the railway station is one of the landmarks of Thiruvananthapuram. Thiruvananthapuram Central is also a terminating point for the proposed Chennai - Bangalore - Thiruvananthapuram High Speed Rail (HSR) corridor and the proposed Thiruvananthapuram - Mangalore High Speed Rail corridor . The railway station is located opposite to Central Bus Station Thiruvananthapuram at Thampanoor .