Vishal's Pattathu Yaanai, which marks the Kollywood debut of Action King Arjun's daughter Aishwarya, is all set to have a grand audio launch in Chennai on June 23. The film, directed by Bhoopathy Pandian, is touted to be an action comedy and is shot in Tirunelveli, Karaikudi and Trichy. Thaman is the music director and Sony Music has bagged the audio rights. Produced by Michael Rayappan under his Global Infotainment banner the film is likely to release by the end of July.