Thumpoly Feast is celebrated at St Thomas Church, Thumpoli in Alappuzha District
. It is a beautiful church devoted to the Blessed Virgin Mary. The church houses the statue of Kappal Karathi Amma, Our Lady of Immaculate conception. The feast of this church lasts for 11 days and is attended by thousands. A grand procession is arranged on December 8, the last day of the feast.