Background
Thattil was born in Thrissur on 21 April 1956.
Thattil was born in Thrissur on 21 April 1956.
He was the first rector of the Mary Matha Major Seminary, Thrissur. He did his schooling at Street Thomas College High School, Thrissur and joined Street Mary's Minor Seminary, Thope on 4 July 1971. He did his ecclesiastical studies in Street Thomas Apostolic Seminary, Vadavathoor, and he was ordained priest by March Joseph Kundukulam on 21 December 1980.
Thattil was first appointed as the Assistant Vicar of Aranattukara and later as Father Prefect of minor seminary.
He was then sent to Pontifical Oriental Institute, Rome for doing his Bachelor of Theology and Doctor of Canon Law. After coming back from Rome, he was appointed as the Director of Catechism.
In 1998 he was appointed as the first Rector of the Mary Matha Major Seminary. On 15 January 2010 he was appointed as Auxiliary Bishop of Syro-Malabar Catholic Archdiocese of Thrissur and Titular Bishop of Buruni.