Kahaani is an upcoming Bollywood thriller film directed and co-produced by Sujoy Ghosh and starring Vidya Balan, Parambrata Chatterjee and Emraan Hashmi in the lead roles. Vidya balan plays a pregnant woman in search of her husband and the father of the child which takes her all the way to Kolkata from London. This will be Vidyas fourth female-centric film after Paa, No One Killed Jessica & The Dirty Picture. The movie is expected to release on March 9, 2012. Source: Wikipedia
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