 Tradition has it that St. Bartholomeo, the apostle, came to Kalyan which forms part of Thane district in which the Diocese of Vasai is situated.In the 6th century, Kalyan had a Bishop elected and sent from Persia.Jordenus worked as a Dominican priest for a brief period in a church at Sopara in 1321 in this diocese when he had come just as a Father before he was appointed as the first Bishop of Quilon.