Heroine, starring Kareena Kapoor and Arjun Rampal in the lead, has stumbled upon another hurdle. Writer Niranjan Iyengar's laptop, which had the film's script, got stolen from his car parked in Karan Johar's office, reported Mumbai Mirror.The writer confirmed the news to the tabloid: "My laptop was stolen. All the dialogues of Heroine were stored in it. I have lodged a FIR (First Information Report) at Khar Police Station. Let's hope I get it back but I think that the chances are slim."Some of the dialogues need to be rewritten now. "Now I need to be on the set of Heroine and rewrite the dialogues. I don't have the entire backup. I had emailed a chunk of it to Madhur, so that part is retained. But now, the remaining will have to be quickly rewritten," Iyengar told the tabloid. "Iyengar has consented to be on the set of Heroine. I am very thankful to him. Whatever happened is very unfortunate," director Madhur Bhandarkar told the tabloid.Earlier, Madhur was in a major fix after Aishwarya Rai Bachchan backed out of the project due to her pregnancy. However, Kareena Kapoor came to his rescue by stepping in at the last moment. Irony is that Kareena was the original choice for the film.