50 AD (Saint Thomas Christianity, by tradition),ġ662 (reunification with Catholic Church) With diaspora in the U.S., Australia and Oceania, Europe, UK, Canada, and the Middle East Liturgical Syriac, Malayalam, Syro-Malabarica, English, Tamil, Kannada, Hindi and most other Indian languagesĮast Syriac Rite – Liturgy of Mar Addai and Mar Mari Holy Episcopal Synod of the Syro-Malabar Church