Attorney General Mahbubey Alam said, the Supreme Court hearing on the appeal of war criminal Motiur Rahman Nizami against his death penalty may be completed by December 15.He commented this while talking to the reports at his office on Sunday afternoon.He said, the court will have to finish it in January as the apex court will go to a 20-day vacation from December 16.Earlier on November 23 last year, Jamaat-e-Islami chief Motiur Rahman Nizami challenged the death penalty awarded to him by a war crimes tribunal for his crimes against humanity committed during the Liberation War in 1971.