The Holy Episcopal Synod with The Catholicos His Holiness Baselious Mar Thoma Didymos I as its President is the apex body of all bishops. The authority of the Holy Synod is final and binding. It has exclusive rights and privileges in the matter of upholding the faith of the church, its discipline and order of Apostolic Succession.

Front row from L to R : H.G. Paulose Mar Pachomius, H.G. Zachariah Mar Anthonios, H.G. Kuriakose Mar Clemis, H.G. Geevarghese Mar Ivanios, H.G. Thomas Mar Athanasios, The Catholicos Designate H.B. Paulose Mar Milithios, The Catholicos His Holiness Baselious Mar Thoma Didymos I, H.G. Mathews Mar Barnabas, H.G. Dr.Thomas Mar Athanasius, H.G. Dr.Yuhanon Mar Meletius, H.G. Dr. Yakob Mar Irenaios, H.G. Dr.Mathews Mar Severius.
Back row from L to R : H.G. Dr. Gabriel Mar Gregorios, H.G. Mathews Mar Theodosius, H.G. Abraham Mar Epiphanios, Diocesan Metropolitan (South West America) H.G. Alexios Mar Eusebius, H.G. Yuhanon Mar Chrisostomos, H.G. Dr. Yuhanon Mar Dioscorus, H.G. Zachariah Mar Nicholovos, H.G.Geevarghese Mar Coorilos, H.G. Joseph Mar Dionysius, H.G. Yuhanon Mar Polycarpos, H.G.Dr. Mathews Mar Timotheos, H.G. Dr.Zachariah Mar Theophilus.