Fans of Bollywood superstar Salman Khan, who are eagerly awaiting updates on his upcoming film ‘Sultan’, are in for a treat on December 27, which marks Salman’s birthday.<br /><br />Buzz has it that the second teaser of ‘Sultan’, in which Salman essays the role of a wrestler from Haryana, will be released on his birthday. Aditya Chopra has reportedly decided to release the second teaser on December 27 as a gift to fans of Salman Khan. Directed by Ali Abbas Zafar, ‘Sultan’ is currently being shot in Karjat.<br /><br />Salman has put on around 14 kilos for the role and has undergone intense training in wrestling and mixed martial arts.