As an Administrator Krupa Rao contributed to the ministerial, technical and medical ministries of the Convention of Baptist Churches of Northern Circars, as Principal[5] of the Baptist Theological Seminary, Kakinada and the Eva Rose York Bible Training and Technical School for Women, Tuni as well as to the Council of Christian Hospitals, Pithapuram.
section was housed within the premises of the Andhra Christian Theological College, Rajahmundry to upgrade his academics to Bachelor of Divinity studying under G. Solomon, Louis F. Knoll, K. Wilson, W. D. Coleman, G. Devasahayam, W. P. Peery, Eric J. Lott, B. E. Devaraj, Ryder Devapriam, Suppogu Joseph, M. Victor Paul and other distinguished faculty.
In 1976,[2] Krupa Rao became a Spiritual Formator at the Protestant Baptist Theological Seminary, Kakinada where aspirants enroll to discern their avocation towards priesthood.
During Rao's tenure, he also took up the role of a Vocation Promoter guiding youth towards Priesthood enabling them not only to take up propadeutic courses and being their Spiritual Confessor but also enabling the aspirants to turn their ministerial calling into a perpetual profession and continue their spiritual studies at the Protestant Regional Theologiate in Hyderabad in which the Convention of Baptist Churches of Northern Circars is a participating member.
[12] In the course of time, Krupa Rao became the Chairperson[2] of the Board during 1990-1992 where he held a name for himself and was able to steer clear of controversies much like his Spiritual Confessor, A.
It was the Samavesam of Telugu Baptist Churches Society which held the Principalship from 1986 through 1990 on a 4-year rotation basis and was then supposed to pass it on to the Andhra Evangelical Lutheran Church Society but lack of quorum at the Board of Governors meeting of the Andhra Christian Theological College, Hyderabad made the decision to prolong.
Incidentally, both Suppogu Joseph and M. Victor Paul happened to tutor Krupa Rao during his upgrading studies at Andhra Christian Theological College at its erstwhile campus at Rajahmundry.