Syro-Malabar Catholic Archdiocese of Changanassery Tags: Clerical Administrative Region, Diocese.Syro-Malabar Catholic Archdiocese of Changanassery is an Eastern Catholic Archdiocese in India under the Syro-Malabar Catholic Church. Currently it is one of the largest Catholic Diocese in India[citation needed]. thumbnail area (km2) 2.4595e+10 country India jurisdiction Diocese patron Saint Joseph province Changanassery Learn more... Loading...