SK 21 (tentative title) is actor Sivakarthikeyan's upcoming movie which is produced by actor Kamal Haasan's Raaj Kamal Films International and Sony Pictures Films India. Rangoon (2017) director Rajkumar Periasamy is helming SK 21 while actress Sai Pallavi plays female lead in it; The movie is yet to go on floors.

MovieCrow learns that the digital and satellite rights of SK 21 has been bagged by the Star network, to which RKFI had also sold the OTT and all language satellite rights of their other upcoming release Vikram. An official confirmation on SK 21's deal however awaits. 

Touted to be a big budget PAN Indian movie high on patriotism, SK 21 is expected to begin shooting by this year and has Anbariv for stunts. An official announcement on the rest of the cast and crew awaits.