Contrary to reports Hrithik Roshan is not doing a romantic comedy with director Siddharth Anand. Hrithik has actually signed up to do Anand’s long-in-the-pipeline remake of the James Mangold action-thriller Knight And Day. And for the role of Hrithik’s co-star-on-the-run , played in the Tom Cruise film by Cameron Diaz, Siddharth Anand has asked Katrina Kaif. Katrina, according to a source very close to the desi Knight & Day is very keen.But there is one hitch, Katrina has been asked to be the female lead in Yashraj Films’ Gundey .Her rakhi-brother Arjun Kapoor who plays the lead , has personally asked Katrina to do the film. Says the source, “Both the films would be shot around the same time. So Katrina can only do one of them. Knight And Day is a huge temptation.Katrina loved Cameron Diaz’s part in the original And the heroine is there in nearly every scene with the hero. When Katrina came together with Hrithik in Zindagi Na Milegi Dobara she was hardly given any playing time with him. Here the temptation is to be there all through with Hrithik on screen. Also, Siddharth Anand is very keen to get Katrina on board with Hrithik.” However there is Ali Abbas Zafar’s Gundey beckoning Katrina.And she is in a fix. Says our source, “Ali and Katrina shared a great rapport when they did Mere Brother Ki Dulhan.It was decided between them that Katrina would be part of the director’s next.Gundey would also give her a chance to work with two new leading men Arjun and Ranveer, one of whom happens to be a close friend.” At the moment Katrina is undecided about which of the two projects to give the nod to. We hear efforts are on to work out the actress’ dates, so she can accommodate both the projects.