In his website devasiamullakkara.org, Devasia says that God is with him and he is praying for the sick and the suffering by propagating the Gospel. It is said that because of his prayers, healings and teachings, thousands of people got salvation, great miracles have happened and demons (Satan) were expelled. There are also these miraculous claims that Mullakkara Devasia healed and cured serious diseases like Psoriasis and Cancer. He built the Church of Eternity in the name of Athmabhishekam (self-anointing) International Ministries and also a hospital that supposedly treats poor and the needy.