Producer director Shankar had his big movies like Jeans and Indian released in the month of May. Fortunately they have gone on to make it big at the box-office. Now the ace director of Tamil cinema is all set to release his magnum opus Sivaji this May. Post production works are on at a rapid pace. With all other movies including Ajith's Kireedom and Vikram's Bheema preferring to stay out of a clash with Sivaji, the movie is all set to open big. Buzz is that Sivaji would hit the screen on 17 May. However sources close to Shankar say, 'There is a possibility that the release be shifted to 26 May'. Anyway, this May belongs to Shankar and Rajinikanth.