Producer Rockline Venkatesh Sunday confirmed that Rajinikanth-starrer Tamil actioner "Lingaa" will release worldwide Dec 12 as a gift to the superstar's legion of fans on his 64th birthday. Speaking at the film’s audio launch, the producer told reporters: “‘Lingaa’ will be a birthday gift to Rajinikanth's fans. It will release on Dec 12”. “The film wouldn’t have been possible without K.S. Ravi Kumar (director), cinematographer Rathnavelu and Rajini sir, who worked almost without much break to complete the project in less than six months,” he added.