Saidapet has about seven churches, Our Lady of Good Health church has a congregation of 1000 families and is situated on LDG street, the NLAG Church is situated across the bridge. It is the biggest Assembly of God church in Tamil Nadu. C.S.I Church of Jesus the Savior located in prime location in Saidapet was congregated in 1902 and one among the oldest congregation in Chennai. C.S.I St.Thomas Church located in Saidapet is 85 years old with 400 families as its members. It was re-constructed in 2012.

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