Tulu cinema, also known as Coastalwood, is a part of Indian cinema. The Tulu film industry produces five to seven films annually. The first Tulu film was Enna Thangadi released in 1971. Earlier, these films were released in theatres across the Tulu Nadu region. Tulu film industry has grown to such an extent that films are being released simultaneously in Mangalore, Udupi, Mumbai, Bangalore and Middle East. The critically acclaimed Tulu film Suddha won the award for the best Indian Film at the Osian's Cinefan Festival of Asian and Arab Cinema held in New Delhi in 2006. In 2011, the Tulu film Industry got a second lease of life with the release of the film Oriyardori Asal. The film turned out to be the biggest hit in Tulu film history to date. Chaali Polilu is the longest running film in Tulu film industry. This movie is the highest-grossing film in the Tulu film industry. It has successfully completed 470 days at PVR Cinemas in Mangalore.