St. Thomas Cathedral, Mumbai, is the 300-year old cathedral church of the Anglican Diocese of Mumbai of the Church of North India. It is named in honour of Saint Thomas the Apostle, who is believed to have first brought Christianity to India. The cathedral is located in Horniman Circle, the historic centre of Mumbai. It is in close proximity to famous Mumbai l…St. Thomas Cathedral, Mumbai, is the 300-year old cathedral church of the Anglican Diocese of Mumbai of the Church of North India. It is named in honour of Saint Thomas the Apostle, who is believed to have first brought Christianity to India. The cathedral is located in Horniman Circle, the historic centre of Mumbai. It is in close proximity to famous Mumbai landmarks such as Flora Fountain and Bombay House. It is the oldest church in Mumbai The Cathedral and John Connon School is run by the cathedral.