In the rain song, when Uday Chopra gets out of the car, Abhishek is in the driver's seat. Later on during the song, a shot shows Abhishek in the seat occupied by Uday. And the car is now a Scorpio.
When Rimii saves a pup from an accident, it's a tiny thing. But in the next scene, when she brings Uday Chopra home, the dog has suddenly grown bigger.
When a shirtless John Abraham is shooting baskets at his hideout, he has no tattoo on his torso. But when he's on the beach, there's a dragon tattoo to the left of his navel.
In the chase after the bank robbery Abhishek fires a bullet which makes the bag fall off John's shoulder. Immediately in the next frame we can see John escaping the second bullet shot by Abhishek, but in that we can also see John still carrying the backpack.
When Abhishek Bachchan and Uday Chopra drive the motorboat through the fire, Uday has gloves on. But when the motorboat lands, the gloves disappear.
Abhishek Bachchan clearly mentions that it's December while explaining the details of the bank robberies to his senior officer. However, it rains heavily a few scenes later during the Dilbara song. Since when has Mumbai seen rains in December?
It's clearly dark when John Abraham and his friends see Abhishek Bachchan reporting on Aaj Tak. However, the time shown on the TV screen is 17:52.