From the way this movie began, I had no idea where it was heading. There was a certain silliness in the opening, but its really a bait and switch situation. In fact, for some time, you are really baffled by what is going on. Ajay is telling a story, and from the way the story is visualized, you have a lot of reason to assume he is telling his own story, even though he doesn't present it that way. Until you get through most of the way into the story, you have no choice but to follow the story as if it is a parable or something.
Then comes the big crunch, the rainy scene where the whole mood completely changes. But still the story-teller keeps his hole card out of sight.
When the true nature of what is going on becomes evident, you realize the story is one of the most frightening anyone can imagine, and only then do you really appreciate the quality of the acting.
So, I think I've seen Ajay Devgan's best movies. And I'm pretty sure I've seen Kajol at her best. And I've liked every movie since their marriage, whether comical or serious, where they played the lead roles. But I'm pretty convinced this is, at least, Ajay's best. And somewhere near Kajol's best. I hope one or both gets at least a nomination in next year's award round.