On 27th September 1947, the General council of Church of India, Pakistan, Burma and Ceylon, General Assembly of South India United Church and South India Provincial Synod of Methodist Church joined together to from the CHURCH OF SOUTH INDIA as the largest united national church in India. The continued growth has been further enriched with the joining of the churches of Basel Mission and the Anglican Diocese of Nandyal. A unique church was born out of the blending of the Episcopal and non - Episcopal traditions as a gift of God to the people of India and as a visible sign of the ecclesiastical unity for the universal church.
The CSI is a united and uniting church moving forward with a dynamic vision for The Communion of Churches in India. The Church of South India, the Church of North India and the Mar Thoma Church are already members of this commune of Churches and are venturing into wider ecumenical relations to witness to One Lord Jesus Christ.
Free Church of Scotland and the Reformed Presbyterian Church merge together.
The Presbyterian Alliance of India was formed.
Congregational Churches of London Missionary Society (LMS) and Madurai American Mission(MAM) join together.
The above two Churches (LMS & MAM) joined with Presbyterian Churches and formed the South India United Church (S.I.U.C.)
Two Churches of Scotland Mission (C.S.M.) joined the S.I.U.C.
The Church of India, Burma and Ceylon consisting of Society for the Propagation of the gospel (S.P.G) and Church Missionary Society(C.M.S) Churches started their negotions at Tranquebar. The “Tranquebar 1919” is a landmark when a Joint Committee was formed. This Conference brought together Anglicans and Free churchmen in a way not known before. Bishop V.S. Azariah of Dornakal was the figure leading and inspiring the participants.
The Wesleyan Methodist Churches of Methodist Mission Society (M.M.S) joined the talks for negotiations.
The World Methodist Conference gave its approval for the union.
The Wesleyan Methodist Conference in South India has joined the Union.
The Anglican Churches in South India supported the proposal for Church Union.
The General Council of the Anglican Churches agreed to permit its 4 Dioceses in South India to join the proposed Church Union.
The S.I.U.C. agreed to enter into Organic Union of the Anglican and Methodist Churches in South India.
The history of 28 years of negotiations (1919-1947) reached its climax in the dramatic moment of the Inauguration of the ''CHURCH OF SOUTH INDIA” on 27th September 1947. The end was a beginning of a new chapter.
The Most Rev. Dr. K Reuben Mark
The Most Rev. Dr K. Reuben Mark was elected Moderator and Primate of the Church of South India at a special session of the Synod in Chennai on 21 July 2025, leading the 4.5-million-member church — the largest Anglican province in Asia — for a three-year term. He has served as the sixth Bishop in Karimnagar since 2015, seated at the CSI Wesley Cathedral, and previously served as Deputy Moderator during the 2020–2023 triennium. An academic and theologian, he spent two decades as Professor of Homiletics at Andhra Christian Theological College, Secunderabad, before his consecration, and alongside his duties in Karimnagar serves as acting Bishop of Medak and oversees the CSI's diaspora congregations in North America.
Archbishop Richard Thorpe
The Most Rev. Dr Ric Thorpe was installed as Archbishop of Melbourne and Metropolitan of Victoria at St Paul's Cathedral on 30 November 2025, following his election by the diocese's Archbishop Election Synod in May 2025. He came to Melbourne from the Church of England, where he served as Bishop of Islington in the Diocese of London from 2015 and as the church's "bishop for church plants", overseeing church growth in London for nearly a decade as director of the Gregory Centre for Church Multiplication. Holding a BSc, BTh and Doctor of Ministry, he is recognised internationally as a specialist in church planting and church growth.
Rt. Rev. Dr Paul Barker
The Rt Rev. Dr Paul Barker has served as an Assistant Bishop in the Anglican Diocese of Melbourne since his consecration on 12 November 2016, with responsibility for the Jumbunna Episcopate covering Melbourne's outer southern and eastern suburbs. Before becoming bishop he spent six years in South-East Asia as a visiting lecturer in Biblical Theology, Old Testament and Homiletics, and as regional coordinator for Langham Preaching and Langham Scholar Care, and he continues to serve the wider church through roles including Chair of the Melbourne Diocese Hope25 Committee.
Rt. Rev. V S Francis
The Rt. Rev. V. S. Francis has served as the fourth Bishop of the CSI East Kerala Diocese since his consecration at Christ Cathedral, Melukavu, on 8 July 2019, and was installed as Deputy Moderator of the Church of South India in December 2025. Born in Ellumpuram in 1961 and trained at Union Biblical Seminary, Pune, he pastored congregations in Chemmannar, Kattappana, Konnathadi and Kaliyar, and served as Chaplain to Bishop George Daniel and as Treasurer of the diocese before his election as bishop. He also serves as Manager of Henry Baker College, Melukavu.
Rt. Rev. Kurian Peter
The Rt. Rev. Kurian Peter was consecrated Bishop of the Cochin Diocese on 15 August 2025 at Immanuel CSI Cathedral, Kochi, succeeding Bishop Baker Ninan Fenn. Born on 5 December 1971, he studied at Sacred Heart College, Thevara, took his BA in Economics from Mahatma Gandhi University and his Bachelor of Divinity from Leonard Theological College, Jabalpur, and earned a Master of Theology in Pastoral Care from Trinity College, University of Divinity, Melbourne.
Rt. Rev. Jose George
The Rt. Rev. Jose George was consecrated on 6 August 2025 at CSI Christ Cathedral, Kollam, becoming the second Bishop of the Kollam–Kottarakara Diocese since its formation in 2017, succeeding Bishop Oommen George. A senior presbyter of the diocese, he served as Vicar of Christ Cathedral, Kollam, and as Clergy Secretary, and is regarded for his pastoral commitment, administrative insight and social concern across the congregations and ministries he has served.
Rt. Rev. Dr Sabu K. Cherian
The Rt. Rev. Dr Malayil Sabu Koshy Cherian was consecrated the 13th Bishop of the Madhya Kerala Diocese on 18 January 2021 at Holy Trinity Cathedral, Kottayam. Hailing from Punnackadu, he holds a BSc in Mathematics, an MA in Sociology, a BD from Union Biblical Seminary, Pune, and a Doctor of Ministry from New York Theological Seminary. Ordained deacon in 1988 and presbyter in 1989, he began his ministry in the Andhra–Telangana mission field and is widely known for his ecological vision and organic farming initiatives, which earned his parishes "green parish" and "green parsonage" awards.
Rt. Rev. Royce Manoj Victor
The Rt. Rev. Dr Royce Manoj Victor was consecrated on 17 May 2016 at CSI Cathedral, Mananchira, Kozhikode, as the first Bishop of the newly formed Malabar Diocese, which covers Kerala's northern districts from Palakkad to Kasaragod. He has also served as Bishop-in-Charge of the South Kerala Diocese, and represents the CSI internationally as a member of the International Reformed–Anglican Dialogue and Co-Chair of the International Anglican–Pentecostal Commission. In September 2025 he ordained the diocese's first women deaconesses, a historic step for the church in Kerala.
Rt Rev. Dr Prinstone Ben
The Rt. Rev. Dr Prinstone Ben was consecrated the seventh Bishop of the South Kerala Diocese on 22 March 2026 at the Mateer Memorial Cathedral, Palayam, Thiruvananthapuram, in a service led by the CSI Moderator, the Most Rev. Dr K. Reuben Mark. He was serving as Vice-Chairman of the diocese when the CSI Synod, meeting in Chennai, selected him for episcopal office.
Adv. C. Fernandas Rathina Raja
Adv. C. Fernandas Rathina Raja serves as the General Secretary of the Church of South India Synod and as Honorary Secretary of the CSI Trust Association, based at the CSI Centre, Royapettah, Chennai. An advocate by profession holding M.A. and B.L. degrees, he acts as the chief executive officer of the church — coordinating the work of its departments and agencies, maintaining the records of Synod decisions and proceedings, liaising with dioceses, congregations and partner churches, and assisting the Moderator in the administration of the church. He was elected to the office at the 36th Session of the Synod Council and continues to serve in the current triennium.
Prof. Dr. B. Vimal Sukumar
Prof. Dr. B. Vimal Sukumar is the Honorary Treasurer of the Church of South India and the CSI Trust Association, the church's key financial officer responsible for managing the Synod's finances, budgeting, financial reporting, and ensuring compliance and stability. Based in Secunderabad, where he also serves as Treasurer of the CSI Medak Diocese, he brings an exceptional academic portfolio to the role — MBA, M.Com, LLM, M.Ed, M.Phil and Ph.D. — alongside long experience in diocesan financial administration. He was elected Honorary Treasurer at the 36th Session of the Synod Council and continues in office under the current Moderator, the Most Rev. Dr K. Reuben Mark.
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