The Disco Song Song Promo from Student of the Year

The Disco Song Song Promo du film Student of the Year (2012)<br />Sidharth Malhotra, Alia Bhatt & Varun Dhawan <br />Singers : Benny Dayal, Sunidhi Chauhan & Nazia Hassan<br />Music : Vishal-Shekhar or Vishal Shekhar