At Permalpuram service was conducted in a thatched with seven Christian families in the beginning. The Bishop Rt. Rev. A.G. Jebaraj B.A., B.D laid the foundation stone for a church on 21st December 1965 being the day of St. Thomas. Thanks to the great services of Canon Rev. S. Paul Manickam, a Church was built within four years. Rev. Draviam Jesudason B.D was the Circle Chairman during this period. St. Thomas Church was dedicated by the Bishop Rt. Rev. A.G. Jebaraj B.A., B.D. on 20.12.69. Perumalpuram became a Pastorate on 1-7-84. The St. Thomas Church celebrated the Silver Jubilee on 21.12.94. During the period of Rev. Gandhi Selwyn the Church was extended with two balconies and four rooms which were dedicated by this Bishop Rt. Rev. Jason S. Dharmaraj M.A., B.D., D.Th. on 1.2.98. The Church celebrates Dedication Festival on 21st December and Asanam on the same day. Harvest Festival is held in October.