What is the progress in Dec 16 gangrape case after 5 years?

On December 16, 2012, a 23-year-old student was gangraped and tortured in a moving bus by six men. She died on December 29, causing nationwide protests, following which a fast-track court started the proceedings. An accused committed suicide in March 2013 while four adult accused were awarded death penalty and the juvenile accused got 3 years in a probation home.