Continuity: When you first see Akshay Kumar riding down the dirt road on his motorbike, he has iPod earphones in his ears. In the next scene of him stopping his bike and approaching the car, the earphones have disappeared, as well as the sight of any iPod or mp3 player.
Errors made by characters (possibly deliberate errors by the filmmakers): When Akshaya Kumar, speaking in Hindi, says "Teen Hazaar Panchson" magazines, Katrina Kaif wrongly translates it to "Thirty Five Thousand" instead of "Three Thousand Five Hundred" in English.
Factual errors: It is known that in weddings a father must walk his daughter down the aisle as per tradition. Imran's father even mentions it to Jasmeet's father, when he is getting drunk, that he has to be steady so that he can take Jasmeet (Katrina) to the altar but it is shown that Arjun walking her down the aisle.
Continuity: In the scene where Jasmeet is changing clothes inside the cab, she tells the cab driver to stop staring at her. In that shot she has her hair down. However, in the next shot when Jasmeet tells the driver to pay attention to driving, her hair is again tied back, while in the next shot after that her hair is down again.
Continuity: In the disco where Jasmeet and her friends are partying, she goes to the entrance and splashes her martini on Charlie. Yet in the next shot Charlie's face as well as clothes show no signs of being wet.