#DidYouKnowThiruvananthapuram Central railway station is the largest and busiest railway station in Kerala and an important rail hub in Southern Railway. Thiruvananthapuram is the first major city in south India with longest train routes in India, the Kanyakumari-Thiruvananthapuram-Dibrugarh Vivek Express and the Kanyakumari-Thiruvananthapuram-Jammu Tawi Himsagar Express route.