The 323rd feast of Mar Anthraos Bava will begin at the St. Mary’s Cathedral at Puthenkavu near Chengannur on Sunday. Yakoob Mar Ireneus, Metropolitan of the Kochi diocese of the Malankara Orthodox Church, will be the chief celebrant of the Holy Eucharist to be held on Sunday morning. Zacharias Mar Aprem, Metropolitan of the Adoor-Kadambanad diocese, will inaugurate the annual religious convention in connection with the feast in the afternoon. The week-long convention and church festival will come to a close with a holy Raasa on March 7. — Special Correspondent