After discerning his avocation towards priesthood, Surya Prakash entered the portals of a Protestant Seminary in 1972[2] in Bangalore where he studied spirituality leading to the award of the graduate degree of Bachelor of Divinity in 1976 after which he began pastoring parishes within the ecclesiastical jurisdiction of the Diocese of Medak, Church of South India.

Again from 1982, Surya Prakash continued to pastor parishes of the Diocese of Medak until Victor Premasagar sent him for doctoral studies in 1987 to the Kirchliche Hochschule, Bethel, Bielefeld, Germany where researched on Homiletics specializing in indigenous movements and Churches in India, especially the work of Sadhu Sundar Singh.

Roger E. Hedlund, the Missiologist with major contribution to indigenous Christianity in India terms Surya Prakash as a leading authority[3] on Sadhu Sundar Singh.

During the incumbency of Bishop H. D. L. Abraham,[9] then Bishop – in – Medak (1968–1975), Surya Prakash evinced interest in pursuing a priestly vocation and was sent to the United Theological College, Bengaluru in 1972,[10] then headed by the eminent theologian Joshua Russell Chandran, where Surya Prakash completed the graduate degree of Bachelor of Divinity (B. D.) in 1976 during the Registrarship of D. S. Satyaranjan at Bengaluru.

[11] Incidentally, Christopher Asir and J. W. Gladstone who also led the Bishopric of the Church of South India in other dioceses also happened to pursue theology at the same College during that period.

In the year 1987, during the Bishopric of the Old Testament Scholar the Right Reverend Victor Premasagar (1982–1992), Surya Prakash was sent for higher studies to Bielefeld, North Rhine-Westphalia, Germany[15] where he pursued a doctoral degree (Dr.

While teaching at the Seminary in Bengaluru, the Evangelisches Missionswerk in Südwestdeutschland (EMS) – (Association of Churches and Missions in South Western Germany), Stuttgart invited[14] Surya Prakash to be its Liaison Secretary[27] for India in 2000.

[28] The then Principal of the Seminary, O. V. Jathanna[29] relieved him while the Diocese of Medak under B. P. Sugandhar (1993–2008) loaned the services of Surya Prakash to the EMS, Stuttgart.

[31] With the end of the term of Surya Prakash at the EMS, he returned to Medak Diocese in 2005 and was made Presbyter-in-Charge of Church of St. John the Baptist, Secunderabad.

John Theodore, the predecessor of Surya Prakash vacated the Cathedra on account of attaining superannuation resulting in sede vacante.

Formed in 1964, the Andhra Christian Theological College, Hyderabad is a special purpose entity with major partners including the Lutherans, Baptists, Methodists and the Church of South India in which Surya Prakash represented the Diocese of Karimnagar and was ex-officio member of the Board of Governors of the College which elected him as the Chairperson of the Board for a 3-year term, 2009-2011.