Squadron Leader Sivalingam has been incharge of repairs of a particular Fighter aircraft at a Base Repair Depot. For the task year 1973-74, when he was there production registered an all time record of 27 aircraft. During the months preceding the Indo-Pak Conflict of 1971, he succeeded in completing production of nine aircraft in one month, again an all time record. He has done pioneering work in several projects concerning this type of aircraft, which includes successful modification of the aircraft for installation of a new Navigation system, Camera and coloured smoke emission system. Besides, he carried out a feasibility study of important modification to improve the operational performance of the aircraft.