After the roaring success of Naan Mahaan Alla, Karthi is currently busy with his next film Siruthai. Now the latest buzz is that Siruthai is all set to grace theatres during Pongal 2011. Siruthai is directed by Tollywood filmmaker Shiva and K.E. Gnanavelraja of Studio Green is producing it. Siruthai is the remake of Telugu hit Vikramakudu starring Ravi Teja and Anushka. For the first time Karthi will play a dual role (a police and a thief) in the film. Tamannaah is the female lead.