45వ అళగియసింగర్ (శ్రీ నారాయణ యతీంద్ర మహాదేశికన్, విల్లివలం) తిరునక్షత్రం 2026: 20 నవంబర్, Mount Vernon

Born in 1926 in the Thirumalai Nallan Chakravarthy family, he served as Asthana Vidwan of the Mutt and Joint Editor of Sri Nrisimha Priya before sannyasa. His full title began with Sri Lakshmi Nrisimha Divya Paduka Sevaka.

He wrote Sri Vaishnava Sadacharya Nirnayam, renovated many of the Mutt's old buildings and the Adivan Satakopa Jeeyar's Brindavanam, consecrated the Selaiyur Matam in Chennai with its patashala, and made pilgrimage to Ahobilam easier. He attained Paramapadam on 19 May 2013.