Squadron Leader Ajai Kumar Singh was commissioned in the Indian Air Force in 1961. He qualified as flying instructor in 1965 and carried out this onerous task with distinction. Because of his flying skill and professional knowledge he was appointed Station Instrument Rating Instructor in 1966. He distinguished himself in his instructional tenure by qualifying for 'A' category in 1967. He subsequently served with distinction on the staff of Flying Instructors' School and at an operational aircraft conversion unit. He has to his credit a record of 3,500 hours of accident-free flying hours. On completion of his Defence Services Staff College Course with distinction, he was selected for assignment in the Directorate of Air Staff Requirements at Air Headquarters. During the tenure, he was called upon to prepare Air Staff requirements for combat aircraft and major systems and carry out subjective analysis and assessment of contemporary weapon system being considered for induction in the Indian Air Force. In addition, he was assigned special concept ional time-bound tasks, which were successfully accomplished by him. He also maintained tactful and effective liaison with various agencies in the Research and Development Organisation and the Aircraft Industry which has helped the Air Force in finalizing major acquisitions and indigenous schemes.

Squadron Leader Ajai Kumar Singh has thus displayed professional competence, diligence and devotion to duty of an exceptional order.