After directing Vidya Balan as a pregnant woman in search of her missing husband in Kahaani, Sujoy Ghosh has now confirmed that he is going to make a sequel to the hit film. Review: Kahaani Sujoy changed his Twitter profile picture to the Kahaani poster, and tweeted: "Writing begins. I have no idea how (Vidya) Balan is going to pull this off".

The untitled sequel will reportedly repeat the cast of the original film - Vidya Balan, Parambrata Chatterjee and Nawazuddin Siddiqui in pivotal roles. The production dates, though, have not been decided as of yet . Photos: Vidya's unique way to promote Kahaani The 46-year-old filmmaker had spoken about wanting to make a sequel to the thriller earlier.