== Production == Despite early indications that the same team that worked on the 2006
Telugu film
Bommarilluincluding director
K. Vijaya Bhaskar and producer
Dil Rajuwould remake the film in
Tamil, the pair said they were not interested. Raju was willing to sell the remake rights and held twenty previews in Chennai for potential buyers.
Editor Mohan, under his home company Jayam Combines, outbid
Prakash Raj, who wanted to remake the film with
Vishal in the lead role. Others outbid included
Vijay,
K. Bhagyaraj for his daughter, Saranya, and
A. M. Rathnam for his son
Ravi Krishna. Mohan handed the director's role to his first son
Raja, and the lead role to his second son
Jayam Ravi. The film would become Raja's fourth consecutive remake of a Telugu film. Bhaskar stated that he chose not to work on the remake because he had "invested too much time and energy" making the original. The remake, titled
Santosh Subramaniam, had its launch on 16 July 2007 with the attendance of all the lead actors. For the inauguration function, 300 invitations by word of mouth were made. The invitation for the launch featured many successful father-son duos from various fields,
Genelia D'Souza was chosen to play the female lead Hasini, reprising her role from the original film. was chosen to reprise his role as the protagonist's father. Former cricketer
Sadagoppan Ramesh made his acting debut in this film, playing Santosh's elder brother. Raja approached Ramesh because he felt he resembled Ravi.
Anu Hasan accepted to make a special appearance because she believed that "there is no small role, only small actors". Raja stated that the film would feature a "huge house" that was constructed at a cost of and a bus with "state-of-the-art" facilities, which was bought for , and that they would be highlights of the film. Two songs were shot at the
South Island of New Zealand. An advantage of shooting in New Zealand for the film's crew was that they had 16 hours of sunlight on any given day. Some sequences were even shot around 9:30 pm under "blazing sunlight". One song depicting the marriage of
Premgi Amaran's character was shot in several temples "in and around
Kumbakonam" in
Tamil Nadu. According to Raja, the film was inspired by his own life: "My friend took the essence of my story and made the Telugu blockbuster, which I then remade in Tamil". == Soundtrack ==