Karan Johar On 'K3G' title track fulfilled his dream of working with Lata, Big B

Karan Johar recalled making of the title track of the film 'Kabhi Khushi Kabhie Gham' and how it fulfilled his dream of working with legendary singer Lata Mangeshkar and megastar Amitabh Bachchan<br />#KaranJohar #K3G<br />