[6][7] It is one of the first churches in India and is called an Apostolic Church credited to the Apostolate of St. Thomas who preached and also started conversion of people to Syriac Christianity here.

It is one of the Ezharappallikal (seven Royal churches) that he established in India; the other six churches were established at Kodungalloor, Kokkamangalam, Palayoor, Kollam, Niranam, and Nilackal.

[8][9] The Saint reached Kottakkayal Where he taught the Holy Way There within a span of a year One thousand seven hundred And another seventy of them Were christened by baptism Mar Sabor and Mar Proth came from Persia to Malankara in the 9th century.

They built and presided over a number of churches in Malankara operating in accordance with Saint Thomas Christians.

Kottakkavu Sliva, a Persian cross engraved on granite stone by Mar Sabor and Mar Proth, is preserved in the chapel in front of the church.