Observed on Aśvinī nakṣhatram day of Kumbha (solar) month. Poonthanam, a great devotee of Guruvayurappan, enriched Malayalam devotional literature with his renowned poetic composition ‘Jnanapana’, a philosophical work of all times. On this day, recital of Poonthanam’s works and debate takes place. A one week literary festival is conducted at Poonthanam illam.