Pseudoaneurysm of ascending aorta is potentially fatal but well-recognized and infrequent complication after cardiac surgeries. The presentation can be varied and may develop early as in our case or may develop even after years. Our patient had VSD closure along with RV band Resection four month earlier to the development of pseudoaneurym. Transcatheter device closure was performed with 24mm atrial setal occluder without any procedural complication. To the best of our knowledge this is the largest device ever used for closure of post surgical pseudoaneurysm.