Ratchasan starring Vishnu Vishal and Amala Paul in the lead roles is directed by Ram Kumar of Mundasupatti fame. Ghibran who is scoring the music for the film has said that Ratchasan is one of his toughest films. He wrote on his Twitter page:

Working on #Raatchasan Film score and it's becoming one of the toughest films I have scored, Very psychologically intriguing!!! A powerful film and I am extremely happy with the way the film and music are turning out. Thanks to God! pic.twitter.com/LwfZ8ziqQr

— Ghibran (@GhibranOfficial) March 19, 2018

Vishnu Vishal will be seen as a cop and Amala Paul is playing the role of a teacher in the investigative crime thriller. The story revolves around an aspiring filmmaker- turned- policeman who uses his script to solve a murder mystery and the challenges he faces during investigation. Kaali Venkat and Munishkanth play vital roles in the movie. The film is bankrolled by Axess Film Factory.