There are a couple of night scenes in Fort area, South Mumbai, and then everything is ruined by showing auto-rickshaws in that part of the city, where they are not allowed.
Police officer was alone to search a killer. Also when he knew that killer is going to travel from particular bus he alone went to catch him with out taking his collegues with him.
How does Sanjay Singhania know he is going to suffer from short term memory loss before he starts tattooing himself with all the grafitti? By the time he could get the inking machine, he will lose his memory, but then the filmmaker has not bothered to show the source of all this.
Aamir locked up police inspector in his house for at least a day, none of police guys came around in search of him.