St. Thomas Evangelical Church of India (STECI) is an Evangelical, Episcopal Church which firmly affirms that the Bible is the inspired, inerrant and infallible Word of God. All that is necessary for our salvation and living in righteousness is given in the Bible. It further affirms that the Church has a responsibility to preach the Gospel of Jesus Christ to all the nations of the world, especially to India. The church is engaged in active evangelism. The headquarters of this church is at Thiruvalla, a town in the state of Kerala which is in the Southwestern part of South India.