Again between 1969-1972 after a period of study leave, he returned to ACTC to continue his teaching and became its second principal in 1973 succeeding W. D. Coleman. On invitation from Wartburg Theological Seminary, Dubuque, Iowa, in the United States of America, he took sabbatical from ACTC to teach there for a year. On his return, the board of governors was pleased to extend the term of principalship by two more terms, 1973–1976 and 1977–1980. David, a New Testament scholar, succeeded Premasagar as principal at ACTC.