St Adaiís Church is the only church dedicated to the blessed memory of Mor Adai, a patron saint. It is located at Vakathanam
in Kottayam District
A chapel has been established by the church. A parish hall and a shrine in front of the church are other features of the church. Holy Qurbana and special intercessory prayers are held on all Sundays and other festival days in the main church.
The main festival of this church is on February 2nd, which is celebrated as the Kallitta Perunal.