MUMBAI: Bollywood actor Ajay Devgn, who turned 43 Monday, is busy shooting "S.O.S. – Son of Sardar" in Patiala. But that didn’t stop his fans from making his birthday special for him.

"Thank u for the lovely birthday wishes!:) and thanks to the fans that surprised me with a huge cake on #SOS sets, the whole unit enjoyed it," tweeted the actor.

Ajay has his hands full with projects like "Bol Bachchan", "Tezz" and "S.O.S. – Son of Sardar". All of them are slated for release this year.