The shooting of Sivakarthikeyan’s yet to be titled film SK 13 is progressing rapidly. This comedy entertainer is directed by M.Rajesh and the project is bankrolled by Studio Green Productions. Lady Superstar Nayanthara is featuring opposite Sivakarthikeyan for the second time after their yesteryear film Velaikkaran. Hiphop Tamizha is the music composer for this exciting venture. Now, the latest information we have got from our sources is that Thadi Balaji is a part of the SK 13 cast.