Ranbir Kapoor is shown as a Mohd. Rafi fan in the film and is naturally a fan of old movies. So, there was a Shammi Kapoor song that was filmed to be put in the movie but later deleted from the final draft. Well, now that the movie has been released and is working wonders, Karan Johar probably thought of the sharing with us that very song from the movie.
The song is fun and peppy and the way Anushka and Ranbir are seen enjoying it, really makes us enjoy it more.
Check out the song here: