PAUL ADAMU GALINJE, J.C.A.(Delivering the Leading Judgment): The Respondent herein, who was the Plaintiff at the lower Court was offered appointment as Assistant Chief Mechanical Engineer on a salary Grade Level 14 by the Appellant through a letter dated the 17th of March, 1976. The Respondent accepted this offer and resumed work.
By another letter dated 29th April, 1985, the Respondent was promoted to the rank of Deputy General Manager and was appointed substantive head of Department. However, by a letter dated 26th of July, 1985 and signed by one Major D. A. Umar. Sole Administrator of the Appellant the Respondent was retired from service by the Appellant on the ground of declining productivity, inability to manage his department, confrontational attitude and disloyalty to the authority. The said letter of retirement which is headed "RETIREMENT" and admitted as Exhibit E at the lower Court states in part, that the decision to retire the Respondent was part of a current house cleanin…