The Rev. Father Adeodatus of St. Peter, after being ordained a priest on July 31, 1927, left for India a few weeks later.

He arrived at Carmel Hill Monastery, Trivandrum, on November 1, 1927. As a passionate religious priest, he helped the community in the formation of the first groups of native Carmelites, as bursar of the community and involved in various pastoral and spiritual ministries. Later he chose to devote himself to missionary activities and from 1946 he was parish priest of the Parish of Muthiyavila, which included a large geographical area then under the diocese of Trivandrum, which is currently part of the diocese of Neyyattinkara. He died as a zealous missionary on October 20, 1968, on mission Sunday, while on his way to celebrate Holy Mass. His mortal remains were exhumed and transferred to the tomb next to Archbishop Benziger.

On October 13, 2018, at the episcopal residence of Neyyattinkara, the diocesan Inquiry on  his "life, virtue and reputation of holiness" began.