Background: In complete atrioventricular septal defect (CAVSD), a single atrioventricular valve annulus, a common atrioventricular valve, and a defect of the inlet ventricular septum are observed. The deficiency of the atrioventricular septum also results in the presence of a large primum atrial septal defect. Details of the anatomy, particularly the morphology of the atrioventricular valve are crucial in planning surgical repair of this lesion. Total repair of such cardiac lesion is now spreading with intentions to save children at younger age and lower body weight. Improved technical methods and post-operative management have resulted in declining mortality over time. Aim of Study: The purpose of this study was to compare the outcome of different surgical modalities in total repair of complete atrioventricular canal defects either single patch or double patches techniques.