In a one of its kind first, A R Rahman gets first credits as composer, followed by the director's.
After 25 films in Tamil , lead actor Dhanush got his debut best actor award in filmfare
The song Banarassiya was sampled by Avicii in the song Tough Love.
Earlier , actor Shahid Kapoor was roped in to play the lead role , but later Dhanush replaced his role.