The Mumbai Diocese (Western India Zonal Assembly) is one among the 13 Diocese of the Mar Thoma Church and encompasses the states of Maharashtra, Gujarat and Goa in the western region of India and 2 parishes in Muscat (Ruwi and Sohar). The Diocese is divided into 6 Centres – Mumbai, Navi Mumbai, Kalyan, Pune, Gujarat & Goa. Presently the various centres in this Diocese account for 59 Parishes, 7 Congregations and 10 Mission Congregations. Rt. Rev. Dr. Euyakim Mar Coorilos Suffragan Metropolitan is the Diocesan Bishop. There are 63 members of the Clergy serving in this Diocese along with 1 retired and a Student Clergy member. 25 Evangelists in various mission fields, with 3 Mission Coordinators, oversee Mission activities along with Missionary Clergy. The Diocesan Bishop is assisted by the Diocesan Assembly and the Diocesan Council for all diocesan administrative activities.