premise: The Syro-Malankara Catholic Eparchy of Bathery is an eparchy of the Syro-Malankara Catholic Church in Sulthan Bathery, in Kerala, India. s of 2013 Aboon Joseph Mar Thomas was the bishop. The seat of the eparchy is at St. Thomas Syro-Malankara Catholic Cathedral in Sulthan Bathery.
hypothesis: Thomas was a bishop before 2013.
reason: "s of 2013 Aboon Joseph Mar Thomas was the bishop" he has been the bishop of this eparchy, but he may have been a bishop elsewhere before this.