Bollywood superstars Amitabh Bachchan and Aamir Khan are leaving no stone unturned to promote their upcoming films 'Paa' and '3 Idiots' respectively. Paa is releasing on December 4, while 3 Idiots on 25th December. There is a unique way in which the promotion for ‘Paa’ is scheduled over the radio. The premiere to be held in not one, not two, but three centre London, Dubai, and Mumbai. Let’s watch what more surprises this two superstars are doing to promote their films. Don’t miss this for anything! Visit www.lehren.tv for more Bollywood news and videos.