Thamizhan 's plot focuses on lawyer Surya making the Indian 's law basics , a free book to civilians .
Revathi , Nassar , Ashish Vidyarthi and Vivek also play pivotal roles in the film , while the film 's score and soundtrack were composed by D. Imman.  The story involves solving several corruption cases by a lawyer named Surya in the process fighting against a criminal boss and finally making indian law basics available as a free book to common people.
Thamizhan