H.G Dr. Geevarghese Mar Osthathios entered into eternal rest at 8:10 pm, Februrary 16th, 2012, Indian time. During the last week he was admitted in Parumala Hospital because of kidney and other issues which had arisen because of old age. His Grace was 94 years old. He was the metropolitan of the Niranam diocese from 1975-2007. He was retired since then. He had served actively on the World Council of Churches.
Ordained as a Deacon on 9 August, 1947. He was then ordained as priest on 10 May 1956. Elected by the Malankara Syrian Christian Association as a Metropolitan on 2 Oct 1974.
Professed as Ramban on 2 Oct 1974. On 15 Feb 1975 He was then consecrated as Metropolitan. He took office as the Metropolitan of Niranam diocese on 1 April 1976. H.G. Dr. Yuhanon Mar Chrysostomos Metropolitan took over the charge as the Metropolitan of Niranam diocese on 3 Jan 2007 His Grace was declared as the Senior Metropolitan of the diocese. Served as the president of Sleebadasa Samuham and the Kerala Council of Churches and was the member of Faith and Order Commission of the World Council of Churches. He was the Senior most faculty member of the Orthodox Theological Seminary, Kottayam., President of the Mission Board of the Church and the Director of St. Paul’s Mission Training Centre, Mavelikara. He was the founder of a good number of charitable programmes, mission centers and institutions which include Marriage Assistance Foundation, Sick Aid Foundation, Save A Heart Foundation, House Building Aid Fund, Mission Training Centre, M.G.D Ashram & Balabhavan Karunagiri, St Pauls Asram Puthuppady, Haripad Mission Centre, Yacharam St.Gregorios Balagram, Bethanya Bhavan, St.George Balikagram Pune etc. He was a world famous theologian, profound writer, orator, and owner of a very versatile personality.