The news is that Vishal Bhardwaj seems to be roping in Aishwarya Rai for the next film. So frankly, we can write this one off.
Saath Khoon Maaf, par Ash in Vishal movie, inexcusable!!
Now that we mention it, Saath Khoon Maaf shooting seems to be complete. Hope the post production doesn't take a lot of time. PC interview here