Sasikumar spoke of his apprehension to approach an established music director as he was a debut director himself. 'I was not sure whether they would listen to me and give me what I wanted'.
Shanthanu was asked to play the role of jai initially.
Anurag kashyap said that this movie was one of his inspiration for gangs of wasseypur
Director Anurag Kashyap had revealed twice that this film was the inspiration for his Gangs of Wasseypur series - once in 2010 and once on the 10th anniversary of this film.
It was during the initial phases of Ameer's Paruthiveeran (2007) that Sasikumar who was working in these film began his groundwork for Subramaniapuram and left the production to focus on his film.