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Dayaraya Xavier Koodapuzha Ramban (Malayalam: ദയറായ സേവ്യർ റമ്പാൻ) ^[1] Professor Emeritus of Paurastya Vidhya Peedam was born on 28 February 1934 in Chenapady, Kanjirappally. His parents are Joseph Chacko and Annamma Koodapuzha. After completing his primary schooling, he did his tertiary studies at the St. Berchmans College in Changanacherry. He joined Parel St. Thomas Seminary in the year 1951 and did priestly studies at the Propaganda Fide College in Rome. He received a doctorate in theology and a master's degree in philosophy from the Urban University in Rome and masters degrees in Oriental sciences and Oriental canon law from the Pontifical Oriental Institute in Rome. He is a church historian and a scholar. He is a notable contributor to the Catholic Church.

He currently leads a monastic life in Mar Thoma Sleeha Dehra.

Positions

He has served as the

Asst Parish Priest: St Mary's Cathedral, Changanacherry
Parish Priest: St Dominic's Cathedral, Kanjirapally
Manager: St Dominic's College and H S School, Kanjirapally
Principal of Missionary Orientation Centre, Manganam
Vice President, Paurastya Vidyapitham, Vadavathoor
Dean of Studies St Thomas Apost. Seminary, Vadavathoor
President of Eastern Theological Association of India
Manager of St Dominic's College, Kanjirapally
Secretary & Treasurer of Peerumedu Development Society

Founder of

Missionary Orientation Centre at Kottayam
Oriental Institute of India Publications (OIRSI) and was its Director from the beginning in 1977 up to 1999.
Mar Thoma Sleeha Monastery for Men at Nallathanny, the first of its kind in the Syro-Malabar Church.^[2]

Other contributions

Founder and Managing Editor: Liturgical Monthly "Dukrana"
Founder and Section Editor of Christian Orient
Section Editor of Christian Orient and Jeevadhara.
Priest Advisor of CRI (Women) Conference of the Religious of India, Kottayam Reg.

Unit

Member of the Roman International Commission of dialogue between the Roman Catholic Church and the Malankara Orthodox Syrian Churches in India
Member of the Roman International Commission of dialogue between the Roman Catholic Church and the Malankara Syrian Jacobite Churches in India

Professor at Paurastya Vidyapitham for 35 years

He has been Professor of Theology, Oriental Sciences, History and Ecclesiology at the Pontifical Oriental Institute, Kottayam

Visiting Professor

At the theological Faculties of Poona (JDV), Delhi (Vidyajyoti), Bangalore (Redemptorists) and Alwaye (St Joseph's Pont. Institute).

He has been a Catholic delegate of the two Roman Ecumenical Commissions for Dialogue with the Orthodox Churches in India. He has published seventeen books in English and Malayalam and has received for Awards for his outstanding contribution in the field of History and Theology.

Papers at the International Conferences

International Conference of Canonists Boston USA
International Conference of Catholic and Orthodox Churches, Vienna, Austria
International Conference at Chicago, USA

Some of his most Famous Works Published

(1).Faith and Communion of the Indian Church of Thomas Christians (2).Oriental Churches: An Introduction (3).Christianity in India (4).Communion of Churches (ed) (5).Eastern Theological Reflections (ed) (6).Papers and Joint Statements of the Joint International Commission for Dialogue Between the Catholic Church and the Malankara Orthodox Syrian Church (ed) (7).Canonical Sources of the Syro-Malabar Churches, Placid J. Podipara, (ed) (8).Oriental Churches: Theological Dimensions (ed.) (9).Ecclesial Identity of the Thomas Christians (Joint ed) (10).Indian Church History (Malayalam) (11).History of the Catholic Church (Malayalam) (12).Sabhavijnaniyam (Malayalam)

Winner of Awards

AKCC AWARD for the best book on History of the Church
CANA AWARD for the best book on the History of Christianity in India
MARTHOMA PURASKARAM for the contribution for the promotion of the heritage of the St Thomas Christians
ARANCHERRY AWARD for the contribution in the study of the traditions of the St. Thomas Christians