Vidya Balan launched the home video of her super-hit film 'Kahaani' along with the film's team at an event in Mumbai. The actress spoke about wanting to work with Bengali actor Prosenjit Chatterjee for a long time. She also talked about the unfortunate demise of 'Paa' child actor Taruni Sahdev in a plane crash in Nepal. Take a look. Visit www.bollywoodhungama.com to watch more bollywood news and gossips....