sentences:  Bhoothathazhwar Avata Utsavam, the birth anniversary of Bhoothatazhwar is celebrated every year during the Tamil month of "Aipasi" (October - November).At around 10 am on the festival day, the festival image of the Azhwar is brought in a palanquin to the shrine of Nilamangai Thayar and then to Stalasayana Perumal.After recital of "Periyathirumozhi" of Thirumangai Azhwar, Kaithala Seva, a practise of providing a special gift to Bhoothathazhwar is performed.