Following a successful collaboration with the 2007 film
Malaikottai, Vishal and Boopathy Pandian signed terms to make another film together in 2010. Boopathy Pandian subsequently moved on to make a film titled
Vedi with
Vikram in the lead role, but the film was cancelled after an initial schedule. In November 2010, it was reported that Pandian and Vishal would make another film under the Vishal's home banner, GK Films Corporation, in a venture titled
Pattathu Yaanai and that it would feature the story that Pandian had planned for Vikram in his project
Vedi. But Arya opted out of the project. Boopathy Pandian after opting out of Telugu film
Jagan Mohan IPS subsequently agreed again to make the film with Vishal and Michael Rayappan agreed to produce the film under Global Infotainment Ltd. Reports suggested that
Amala Paul was set to be signed on to play the lead female role in the film, but this proved to be untrue. Subsequently, Aishwarya Arjun, daughter of actor
Arjun, was signed on to make her debut with the film. She would be portraying a Plus 2 student in the film, and was signed after being recommended by director
Sundar C.
Vadivelu was initially announced to be making a comeback with the film but was later replaced by
Santhanam who would be seen in three roles, that of a grandfather, father and son. The film began filming in December 2012 with a lunch event at the AVM studios, with a scene shot of Vishal praying at the Muthukumaraswamy temple in the studio premises. The team shot in locations across
Karaikudi,
Madurai and
Trichy as a part of the initial schedule with
Seetha,
Jagan and
Manobala added to the cast. A first look poster was released on 14 April 2013 depicting Vishal and Santhanam in their respective roles. ==Soundtrack==