of the country's biggest Catholic pilgrimage centres is located here. Devoted to Our Lady of Good Health, it is popularly known as the "Lourdes of the East". Its origins can be traced back to the 16th century. It is built in the Gothic style, was modified by Portuguese and then further expanded later on due to the influx of pilgrims. The church building was raised to the status of basilica in 1962 by Pope John XXIII. Annually, 20 million pilgrims flock to the shrine from all over India and abroad, out of which an estimated 3 million people visit the shrine during its annual festival from 29 August to 8 September. The 11-day annual festival concludes with the celebration of the Feast of the Nativity of Mary on 8 September. Transportation Vailankanni is well connected by road and rail to the rest of the country. The East Coast Road (ECR) that runs from Chennai to Kanyakumari, connects the town to the rest of the country. The nearest operational airports are Tiruchirappalli International Airport, away and Chennai International Airport, away. Road Due to the large number of pilgrims that visit this town, the Tamil Nadu State Transport Corporation (TNSTC), State Express Transport Corporation (SETC) and several private bus operators ply to cities like Bengaluru, Chennai, Coimbatore, Ernakulam, Muvattupuzha, Madurai, Nagercoil, Salem, Thoothukudi, Tirunelveli and Trivandrum. The Kerala State Road Transport Corporation runs a daily bus service to Changanassery and Cherthala. The TNSTC–Kumbakonam division operates intercity buses to Tiruchirappalli, Thanjavur, Pudukkottai, Karaikudi, Tiruvarur, Kumbakonam, Thiruthuraipoondi, Pattukkottai, Pondicherry, Karaikal and Nagapattinam from Velankanni. Rail Velankanni railway station is a terminal station on the 10-kilometre-long Nagapattinam–Velankanni broad-gauge line. The foundation stone of the line was laid in 1999 and it was completed in 2010 at a cost of Rs. 48 crores. The line is part of the Tiruchirappalli railway division of Southern Railway zone of the Indian Railways. The Chennai Egmore–Velankanni Link Express runs daily with only four coaches from Velankanni, which then is coupled with Kamban Express at Nagapattinam Junction for its journey towards Chennai. The Vasco da Gama–Velankanni Weekly Express between Vasco da Gama, Goa and Velankanni is operated by South Western Railway zone. Apart from the express trains, two passenger trains are also operated daily, one each to Karaikal and Nagapattinam. Special trains are operated from places like Chennai, Mumbai, Secunderabad, Bangalore, Vasco da Gama, Kollam, Ernakulam, Tirunelveli and Nagercoil during