Pastor After Premasagar's ordination as
presbyter, he began pastoring parishes in
Siddipet,
Mancherial, Soan, and Shankarampet.
Teacher Premasagar first taught at the Andhra Union Theological College (AUTC),
Dornakal, between 1961 and 1964, By 1973, Premasagar's collegemate
G. Solomon, a teacher in Old Testament at the Ramayapatnam Baptist Theological College joined the faculty, also teaching Old Testament. By 1977, G. Babu Rao, a teacher in Old Testament at
Serampore College,
Serampore moved to the college. as the moderator of the
Church of South India. -Church of St. John the Baptist, Parade Grounds,
Secunderabad Cantonment.
Bishopric Later, in 1983 he was elected as the
bishop-in-Medak, Asia's largest
Anglican bishopric. It was at this time that indigenous methods were devised and put into practice for raising funds from the local congregations for supporting church programmes which was met with widespread success. He was instrumental in bringing rapid development of the church – congregation-wise as well as in its social action. As for the educational institutions in the Diocese of Medak, schools were made to adapt to modern trends to face the changing pattern.
St. George's Grammar School, Wesley College and other educational institutions were modernised during Premasagar's tenure. In 1983,
Elizabeth II of the United Kingdom came to
Hyderabad. On 20 November 1983, the Queen celebrated her 36th wedding anniversary in the Holy Trinity Church in Bolarum,
Secunderabad. The church service was officiated by Bishop Premasagar and his ministerial colleagues Rev. B. Prabhakar Rao and Rev.
B. P. Sugandhar, the present bishop-in-Medak and the moderator of the CSI.
Lambeth Conference The bishops of the Church of South India are invited to the decennial
Lambeth Conference held at the
Lambeth Palace, the seat of the
archbishop of Canterbury in London. Rev. Premasagar attended the eleventh and twelfth conferences in 1978 and 1988 respectively. ==Other endeavours==