Ignatius Gomes, a Jesuit priest, made the first reference to the Christians of Mariamnagar in Agartala when he visited them in 1683 says Historian Dr. David Syiemlieh.
P. Barbe CSC, the Pastor of Chittagong, visited Tripura in 1843 and he would have come here to minister to the Catholic community opines Dr. Syiemileh.
Because of its geographical proximity, the Archdiocese of Dhaka would continue to cater to the spiritual needs of the Catholics in Tripura till the erection of the new Ecclesiastical Unit in 1952, namely, the Prefecture of Haflong, when Msgr.
In Venerabiles Fratres Nostri dated 11 January 1996, Pope John Paul II decreed the erection of the Diocese of Agartala.
Tarcisus Resto Phanrang, SDB, presided over the Episcopal Consecration, which was attended by many Bishops and a huge congregation of people from India and abroad.
The Diocese of Agartala is dedicated to Christ the Light of the World with its motto: LEAD US ONWARD (Duc in Altum).