Siddharth after flops like NH4 and Something Something is busy shooting with Pizza Director Karthik Subbaraj’s Jigarthanda. Movie is nearly in its final schedule so actor begins his next film under Vasanth Balan titled “Kaaviya Thalaivan” from today. Its a period film and has huge supporting cast like Vedhika, Anaika, Prithviraj and Nassar etc. Siddharth’s home production Y Not Studios which produced “Love Failure” will produce this period film. Oscar Winner A R Rahman to compose tunes for this movie.