Mantralayam
Mantralayam is a town in Kurnool district of Andhra Pradesh in India. It is located on the banks of the Tungabhadra River along the border of the neighbouring state of Karnataka. The town is famous for the Samadhi of Saint Raghavendra Teertha whose followers believe him to be the incarnation of Bhakta Prahlad.There is temple of Lord Vishnu there, which is not only important as a place of pilgrimage but also for its architecture with several inscriptions, sculptures, carvings and murals.