Tamil cinema has delivered several entertaining films over the years for the audience. Tamil filmmakers have opted to do different genres to impress fans, but they earn more attention when they decide to make a film based on a true incident or a biopic. The launch of Ilaiyaraaja s biopic has excited fans, and the film will have Dhanush playing the lead role to reprise the veteran composer. Here are 5 biggest biographical films in Tamil that earned praise from fans before.Image Courtesy - Twitter