In 1876, 22 churches were brought together in order to form the Niranam Diocese. Chathuruthi Geevarghese Mar Gregorios (Parumala Thirumeni) (1876-1902) became its first Metropolitan with Parumala Seminary as the headquarters. Pulikkotil Joseph Mar Dionysios, Vattasseril Geevarghese Mar Dionysius, kallasseril Geevarghese Mar Gregorios, Thoma Mar Dionysius and Dr. Geevarghese Mar Osthathios  administered the diocese. His Holness Baselios Oughen Catholica Bava And His Holiness Baselios Mar Thoma Mathews I Catholica Bava directly administered the diocese.