Shahrukh Khan goes to meet Deepika Padukone after saving her from fire where she says Dosti Me No Sorry No Thank You,it shown as younger Sooraj Barjatya next door hearing the conversation and using this particular line for his future film Maine Pyar Kiya.
When Mukesh Mehra (Arjun Rampal) is hit by the falling Chandelier, he falls in front of the crowd. Later on, when the crowd has disappeared, the chandelier is miraculously fixed by the time Mukesh Mehra regains consciousness.
Near the end of the movie, when the Chandelier falls on Mukesh (Arjun Rampal), you see the entire Chandelier is broken, yet in the next scene you see the Chandelier still active up to Om's (Shahrukh Khan's) height, with him looking through it to see the ghost of Shantipriya.
After Mukhesh Mehra locks up Shanthi in the burning studio of OSO while kissing her good bye, his hands change. From inside it's the right hand, but from outside shot its the left hand.