Prior to the amendment of Tamil Nadu Entertainments Tax Act 1939 on 22 July 2006, gross was 115 per cent of net for all films. Post-amendment, gross equalled net for films with pure Tamil titles. Commercial Taxes Department disclosed 13.18 crore in entertainment tax revenue for the year. Producer Dhananjayan reports in his publication The Art & Business Of Cinema that the box office generated 525 crore in domestic net against an investment of 650 crore.
The following is a list of films produced in the Tamil cinema in India that were released in 2009.
The following is a list of films produced in the Tamil film industry in India, which were released theatrically in 2009. They are presented in order of their release dates..