Prior to the song 'Gallan Goodiyan,' when we see Manoj Pahwa speaking with a microphone, he is not wearing a suit on top of his shirt. However, when as the song starts, we see Manoj Pahwa wearing a suit on top of his shirt.
In the final scene, where Mehra family who are in a lifeboat is being chased by guards, the guards boat changes from inflatable rescue life boat to motor boat from one shot to another.
While Kabir Mehra is taking his solo flight in the beginning of the movie, after take off, the plane is shown crossing a highway. From the trucks & vehicles one can easily understand it is not an Indian road for sure. At the end of the flight, when he returns to the airport, it shows Delhi Flying Club.
In the final sequence when anil kapoor starts the lifeboat Priyanka Chopra asks him "Papa ye chalana aata hai na apko? " then Anil replies "sab chalaya karta tha Ayesha ye kya hai" but his lips doesn't seem to move while saying 'ye kya hai' .