tharangam (malayalam : തരംഗം) is a 2017 indian malayalam-language fantasy black comedy film directed by debutante dominic arun. it was the first malayalam film produced by dhanush, and starring tovino thomas, balu varghese, santhy balachandran in the lead roles. ashwin renju is the music director. the film released in india on 29 september 2017.