The Ayilyam Mahotsavam at Sree Nagaraja Swami Temple at Vettikode falls on the Malayalam month of Kanni October. The sanctuary is situated at Mavelikkara of Alapuzha locale. The festival, which falls seven days before the Ayilyam day, draws in an extensive number of devotees. The event is commended with a large group of celebrations and customs.
The festivals begin seven days before the Ayilyam asterism and unique ceremonies are led on nowadays, the feature being a stately parade from the sanctuary to Meppallil Illam which is an old Brahmin home. In the nighttimes, a custom called Sarpabali is performed to mollify the serpent Gods. The celebration attracts to a nearby with the day by day ceremonies.