Sandilyan or Chandilyan is the Pen name of Bhashyam Iyengar, a noted Tamil writer of Historical fiction. Sandilyan was born in Thirukovilur in Tamil Nadu on November 10, 1910 to Ramanujam Iyengar and Poongovilvalli. His family was from Thiruindalur village near Mayiladuthurai. He did his schooling in Chennai Pachaiyappa's School and Saidapet Model School. His college education came from Tiruchirappalli St. Joseph's College. While in college, he was influenced by the visit of C. Rajagopalachari and joined theIndian independence movement. He became a member of the Indian National Congress. He married Ranganayaki in 1929.