 In 2002, His Grace Zachariah Mar Nicholovos was appointed as the assistant Metropolitan.The Diocese was formed by order number 145/2009 signed by the then Catholicos of the Apostolic Throne of St. Thomas and Malankara Metropolitan, His Holiness Baselios Mar Thoma Didymus I on 1 April 2009.His Grace Mar Barnabas and His Grace Mar Nicholovos were appointed to the Northeast American Diocese and His Grace Alexios Mar Eusebius was appointed the Southwest Diocese.