A day in Chennai) is a 2013 Indian Tamil-language thriller film written by brothers Bobby and Sanjay and directed by Shaheed Kader.

A multi-narrative thriller that intertwines multiple stories around one particular incident, the film is inspired from an actual event in Chennai.

On the same day, at a crowded traffic junction, Karthik, who was set to interview Gautham, and Ajmal, traveling on a bike, is hit by a speeding car and is rushed to Global Hospital.

To escape from the police, Robin tries to sabotage the mission, but Gautham's wife convinces him to save her daughter's life.

They reach the hospital in time to save Ria's life just as Karthik's father and mother prepare to cremate their son.

[5] However, due to his extended involvement in his directorial venture, Haasan opted out of the film by November 2011 and R. Sarathkumar was subsequently chosen to replace him.

[7] In March 2012, Rajesh Pillai left the remake citing scheduling issues and was replaced by his assistant Shaheed Khader.

Behindwoods wrote:"On the whole, we have a movie which offers excitement and also educates us about a vital concept which can prove to be a life-changer to any of us in need".

[11] Baradwaj Rangan of the Hindu wrote "The back-and-forth-in-time narrative structure helps camouflage the inconsistencies..what’s missing is the nerve-jangling tension that Hollywood routinely infuses into this kind of product, but the periodic cliffhangers keep us invested in the outcome.