The main festival of the Attamangalam church is celebrated from
January 1 to 7 in memory of St. John the Baptist, the patron saint of
the church. Feasts of Holy Virgin Mary, Mor Geevarghese Sahdo, Apostle
St.Thomas, Patriarch St. Elias III of Manjanikkara, St. Gregorios of
Parumala and Catholicos Mor Baselios Paulose II are also celebrated
with great fervor in this church. More than 600 families are members
of this 150 year old church.