sentences:  There, he had an epiphany and gave up the material duties of a king and became a sanyasin embracing saranagati.He composed the chatushloki and Strotra Ratna at that spot.Mannakal Nambi handed over the reins of Natha Muni's school including the collected Divya Prabandha and renamed him Yamuna Muni or Yamunacharya.