Nathar Shah , also called Nadir Shah or Nathar Wali, was a Muslim mystic and preacher from the Middle East who migrated to Tamil Nadu in the 11th-century, where he travelled from area to area to preach the faith of Islam to the locals. He came to Trichy in the 11th century; his shrine is located in Tiruchirapalli, Tamil Nadu, which according to legend is atop the grave of the three-headed Hindu demon Tiriasuran whom Natha killed. Wikipedia
About the legend surrounding the tomb of Nathar Shah at Tiruchirapalli (Tamil Nadu). Bahãr-i-Ãzam, translated in English, Madras, 1960. p. 51.
