In the whole world, there are only three churches built over the tomb of an Apostle of Jesus Christ - the Basilica of Saint Peter built over the tomb of St.Peter in Rome, Cathedral of Santiago de Compostela built over the tomb of St.James in Spain and Basilica of the National Shrine of St.Thomas built over the tomb of St.Thomas. Basilica of the National Shrine of St.Thomas is in Chennai, India.