Vidya Balan took to Twitter to thank 'Kahaani 2' director Sujoy Ghosh by posting a selfie stating, `Aaschi Sujoy da...Dhonnobaad for 'another mother of a story!!` The director quoted the tweet and gave the news of Vidya wrapping up the thriller's shoot. He wrote, `The @vidya_balan wraps K2 .. leaves behind a mother of a performance.` Just can't wait to see Vids slay it again.