Bishop T. B. D. Prakasa Rao (born 17 December 1939; died 30 May 2018) was the fourth CSI-Bishop - in - Krishna-Godavari of the Protestant Church of South India who occupied the Cathedra placed at CSI-St. Paul's Cathedral, Vijayawada. The Bishopric of Prakasa Rao lasted for two decades from 1981 through 2001, one of the longest in the history of the Church of South India Society. Prakasa Rao led the bishopric of Krishna-Godavari that comprised the Christian missions established by the London Missionary Society (LMS) and the Church Missionary Society (CMS) which merged its South India Christian missions in India into the Church of South India Society which was inaugurated in 1947 at the CSI-St. George's Cathedral, Madras.