Kahaani (IPA: [kəˈɦaːni]; "Story") is a 2012 Indian mystery thriller film directed and co-produced by Sujoy Ghosh. It stars Vidya Balan as Vidya Bagchi, a pregnant woman searching for her missing husband in Kolkata during the festival of Durga Puja, assisted by Satyoki "Rana" Sinha (Parambrata Chatterjee) and Khan (Nawazuddin Siddiqui).Made on a shoestring budget of ₹80 million (US$1.2 million), Kahaani was conceived and developed by Ghosh, who co-wrote the film with Advaita Kala.