Nirbhaya Case: What all has changed over the past 7 years?

On December 16, 2012, a woman (Nirbhaya) and her friend were returning to their homes after watching a film in Saket. The duo took Auto till Munirka and waited for a passenger bus till Palam. But little did they know that the bus did not have passengers but drunk men.
It has been seven years and tomorrow the convicts will be hanged till death. Deepa Malik talked to ABP News and revealed how things changed over the past seven years.