Well movie is overall based on good topic and story is good not excellent. Movie start with the very good attraction of suspense and thrill but I found that after the interval story getting losing the thrill and movie ends with very light excitement.
About acting irfan khan also very good and he had justified the character. Ashwarya is also act good but not very good. But in my personal view end should be some different. Shabana azami also she is very good actress and did good.