What is "kallappadam"

Kallappadam is a 2015 Indian independent Tamil thriller film written and directed by J. Vadivel for first time producer Dr. Anand Ponniraivan under his production company Iraivan Films. The lead roles were portrayed by the film's director Vadivel, its cinematographer Sriirama Santhosh, editor Gaugin and its music director K, who play fictionalized versions of themselves. Kallappadam is a story about how first-timers try to make a film, based on the native folk art Koothu. The film was released on 20 March 2015.