His Grace, Most Rev.Dr.A.M. Chinnappa SDB, the Archbishop Emeritus of Madras-Mylapore decreed DMI as Society of Apostolic Life of Diocesan Right on 12^th of October 2008, during the grand Eucharistic Celebration at St.Thomas Mount, Chennai after receiving the “Nihil Obstat” from the Holy See on 22^nd August 2008. given the Missionary nature of the Society, when it was opportune, the Principal House of the Society was shifted to Meerut missionary land, North India The Then Bishop of Meerut, His Lordship Most Rev. Francis Kalist DD, became the Patron of our Society.