Malankara Mar Thoma Syrian Church otherwise called as Mar Thoma Church is a part of the One Holy Catholic and Apostolic Church. It is one of the ancient Churches traditionally believed to be established by St. Thomas, the disciple of Jesus Christ in AD 52 in the Malabar coast. Kerala, India. Being rooted in the Bible, the Church maintains its Episcopal heritage and value oriented democratic form of administration.

The Church believes in Jesus Christ, the God incarnate for the redemption of humankind, and in the Triune God revealed by him, who himself is one among the Trinity.

The Church affirms that the people of God are sent all over to the world and they partake in the salvific mission of God, to unite everything in Jesus Christ through the ministry of reconciliation begun in Jesus Christ.

The Church is blessed and enriched by the leadership of Metropolitan, Episcopas, ordained Clergy and deacons. Metropolitan is the Supreme head of the Church. The Laity has full participation in the Priestly ministry, given through the Church, by Christ. They are called to profess and practice Christian truths and teachings in their daily life and vocations. The laity has active part in the life and ministry of the Church and co-operate in the general administration of the Church.

The Church is at present blessed by the able leadership of twelve Bishops and is headed by Most Rev. Dr. Joseph Mar Thoma Metropolitan who is the 21st Malankara Metropolitan. The Church is served by 1037 clergy through thirteen dioceses. The headquarters is located at SCS Campus, Thiruvalla, Kerala, India and has over a million adherents spread worldwide.