The Biggest Stories of December 24, 2015

India and Russia sign 16 agreements including a big ticket defence deal to make 200 Kamov helicopters in India; A special report shows how the emissions of most cars is worse in India as compared to Europe; VIPs, women drivers and two-wheelers won't have to follow the Delhi government’s odd-even traffic formula but Chief Minister Arvind Kejriwal says he will not be exempted; A day after BJP lawmaker Kirti Azad’s suspension from the party, senior leaders led by LK Advani met at Murli Manohar Joshi's residence; The key accused in the Dadri killing tells police that he and his accomplices attacked Mohd Akhlaq after a cow slaughter rumour; and more in our news wrap of the day.