After Hrithik comes to stay at SRK's home in England, one morning Hrithik gives a lift to SRK to his office as his car tire is punctured. On the way, they put on a match commentary. The match is taking place in England (Oval) and it is morning. They say that only last over is remaining and after some time they declare that India has won. The match is ending around 9 - 10 AM so would have to have started around 2AM.
Years later when Rohan meets Pooja again, after he recites the tongue twister "Chandu ka Chacha," he says he finally got it. But he forgets to say the line "chandni raat mein," so he doesn't get it right.
In the storyline, the Raichand offices and main home are supposedly located in India, but the offices shown are clearly Canary Wharf in London and the main home shown is actually Waddesdon Manor in Buckinghamshire. The helicopters used to transport people supposedly in India, clearly have British registrations shown.
When Anjali's son performs the Indian National Anthemn impromptu at an English school function, the crowd automatically stands to attention as a sign of respect. However English people are largely unfamiliar with the Indian National Anthemn so would not have understood it's significance.
When Yashvardhan and Nandini surprise Rohan about their arrival at London by calling him from the airport, Rohan tell them to meet him at the Bluewater Shopping Centre, which is actually located in Kent; completely outside of London.