Chennai: Superstar Rajinikanth who, over the last few months shot for two of his projects simultaneously, has successfully completed dubbing for his portions from upcoming Tamil gangster drama "Kabali". "The entire last week he was busy dubbing for 'Kabali'. On Sunday, he successfully completed dubbing for the film," a source from the film's unit told IANS. The source also confirmed that the much anticipated teaser of the film will be unveiled on May 1. "The makers of 'Kabali' have locked May 1 as the date to release the teaser. It's going to be a one-minute teaser," he said. Directed by Pa. Ranjith, the film also stars Radhika Apte, Kalaiarasan, Dhansikaa, Dinesh and Ritwika.