Bishop Mar Joseph Kallarangatt was born on 27 January 1956 at Kayyoor. After his school studies, he joined the Good Shepherd Minor Seminary, Karoor for the ecclesiastical studies. He was ordained priest on 2 January 1982. After having served as the assistant parish priest at Aruvithura and Ramapuram, he was sent to Rome for higher studies in 1984. He secured his doctorate in theology from the Gregorian University, Rome. Then he started teaching at the St. Thomas Apostolic Seminary Vadavathoor. Following the resignation of His Excellency Mar Joseph Pallikaparampil, he was appointed as the third Bishop of Palai on 18th March 2004, while serving as the president of the Paurastya Vidyapitam. He was ordained Bishop by His Grace Mar Joseph Powathil and was enthroned by His Beatitude Mar Varkey Cardinal Vithayathil on 2 May 2004 at the St. Thomas College grounds, Palai.