The Diocese of Gumla was erected by Pope John Paul II with territory taken from the Archdiocese of Ranchi. The Catholic Diocese of Gumla consists of the civil sub-division of Gumla.

The Catholic population of this diocese comprises of scheduled tribes, chiefly Kharias, Mundas, Oraons and Baraiks. Bp Michael Minj sj, was appointed the First Bishop of Gumla.