In 1970, he served as the organizer for the North Indian mission at Bhilai and in 1974 as the secretary of the Pourasthaya Suvishesha Samajam. Since his ordination as korooyo, at age 24, Thomas was active in preaching the gospel in the remote parts of Kerala. From his vision and zeal to spread the gospel arose the St. Paul's prayer fellowship and the Puthencruz gospel convention which is held annually from 26–31 December.[1]