Rev. Fr. Palavilayil John Samuel OIC successfully defended his doctoral dissertation titled Interdependence between Christological, Ecclesiological, and Missiological Vision of Mar Ivanios at the Pontifical Oriental Institute of Religious Studies. The defence, held in the Defence Hall, was attended by faculty members, scholars, and students, marking a significant moment in theological scholarship.Under the direction of Rev. Dr. Varghese Kochuparambil, the dissertation explored the interconnectedness of Mar Ivanios’ vision of Christology, Ecclesiology, and Missiology, offering fresh insights into his contributions to the Church’s understanding of its mission and identity. The candidate’s rigorous analysis and theological depth were met with high praise from the examination committee.The event concluded with a vibrant discussion, highlighting the importance of Mar Ivanios’ theological legacy in contemporary ecclesial thought.