When the Bible in Pochuri language was released in 2014,[4] Achümi's contribution towards the translation was acknowledged.
Achümi studied Old Testament under E. C. John, G. M. Butterworth and Gerhard Wehmeier at the United Theological College, Bangalore between 1972 and 1975[9] during the Principalship of Joshua Russell Chandran.
Achümi's companions included Basil Rebera, A. P. Chacko, G. Babu Rao, S. J. Theodore and Timotheas Hembrom, all of whom studied under E. C. John, a direct student of the master-specialist of Old Testament, Gerhard von Rad.
In the ensuing convocation of the Senate of Serampore College (University), Achümi was awarded an M. Th.
His daughter, Bernika, is married to theologian, pastor and Inter Varsity Press author Donald C. Simmons, Jr.[10] Achümi is buried in Thilixü Village, near Dimapur.