Looks like Siddharth is more concentrating on Tamil films these days. Siddharth, who turned 34 today, has announced that his next film will be directed by Pizza movie fame Karthik Subbaraj. Siddharth’s recent Bollywood release ‘Chasme Buddor’ turned out to be a hit and his Bilingual film ‘NH 4’ is ready to hit the theaters on April 19, 2013. Already the actor is working in another Tamil movie under the direction of Sundar and Hansika is the female lead opposite to Siddharth.