The GTI began operations in May of 1951 in temporary accommodation in the Queen’s College compound. By July of the said year it was removed to its present location. The original purpose of the institution was to provide training in craft skills but by July 1956, Technician level courses were introduced and by September 1961, Diploma level programmes were included, bringing the total number of courses offered to thirty eight. Courses are conducted on Full Time, Day-Release and Evening basis.