When Sonu Sood is seen grieving his brother's death, the song 'Sheila Ki Jawani' plays and he claims it to be the favorite song of his deceased brother.
In the song 'Hey Unnathan', the lead actress is seen mimicing the intro by sitting in a rotating bed. Even the red dress she wears is similar to what Katrina wore in Sheila Ki Jawani. She also swings in a rope with the three heroes as Katrina did with Akshay in the original