Calcutta was made a metropolitan see by letters patent on 10 October 1835 and in 1930 was included in the Church of India, Burma and Ceylon (from 1948 the Church of India, Pakistan, Burma, and Ceylon) until 1970.
In 1842 (after Madras and Bombay dioceses had been erected), her jurisdiction was described as "Presidency of Bengal".
[1] The diocese currently has jurisdiction over the corporation limits of Kolkata and the Districts of Hooghly & Howrah in the state of West Bengal.
The bishop's seat (cathedra) is located in the city of Kolkata at St. Paul's Cathedral.
John Richardson was appointed assistant bishop for, and Commissary for the Metropolitan, in the Andaman and Nicobar Islands in 1950, and remained an assistant bishop of Calcutta until the Diocese of Andaman and Nicobar was erected from Calcutta diocese in 1966.