The D-Day contest: Win COOL t-shirts!

Director Nikhil Advani is back with a crime thriller -- called D-Day -- with an ensemble cast of Rishi Kapoor, Irrfan, Huma Qureshi, Arjun Rampal and Shruti Haasan.

The promos look promising, as Rishi Kapoor is said to give another spectacular performance after Agneepath.

But before you catch the film when it releases in theatres this Friday, here's a chance to win cool D-Day t- shirts!

All you have to do is answer this question: 

Who is the music composer of this film?