The Church of South India (CSI) is the successor of the Church of England in India after Indian Independence. It came into being by a union of Anglican and Protestant churches in South India. It combined the South India United Church (union of the Congregationalists and the Presbyterians); the then 14 Anglican Dioceses of South India and one in Sri Lanka; and the South Indian District of the Methodist church With a membership of over four million, it is India's second largest Christian church after the Catholic Church in India. CSI is one of three united churches in the Anglican Communion, the others being the Church of North India and the Church of Pakistan.