Before Nick puts the ring on Amber's finger, it is already there. Suddenly Nick has it in his hand, and puts it back on Amber's finger
We see the doctor starting to drink a cup of coffee in his hands, but it suddenly disappears when he goes into Amber's section.
Nick is wearing black underwear when he falls on the sofa (during the song 'Salaam Namastey') ...but when Ambi jumps on him, he's wearing his shorts again.
When Amber and Nick are arguing over the phone, and Amber overtakes Nick and smiles at each him because she does not know who he is, the scene is shown them driving through a mountain pass, but in the next shot Amber is shown driving through a residential area and the next scene will return to the mountain pass.
When all three babies are born, the umbilical cords are not cut off by anyone before the babies are wiped off.
During the scene at the bar when Ron and Nick are having a drink, Ron receives a call and leaves. Nick picks up his glass & drinks from it, however the glass is empty beforehand and his reaction is made out as if he's gulped a shot of whiskey.
When Arshad Warsi and Tania Zaetta get married and run into their wedding car, the reflection of the crane above is visible in the car's windscreen.