MUMBAI: Malayalam star Prithviraj Sukumaran released the poster of his upcoming socio-political thriller "Kuruthi" on the occasion of Vishu on Wednesday.

The poster shows the actor giving an intense look to the camera, with other characters of the film surrounding. The poster sets a dark tone.

"A vow to kill... an oath to protect," goes the poster tagline.

The actor captioned the image as: "Happy Vishu from team #KURUTHI #comingsoon".

The film marks the Malayalam directorial debut of filmmaker Manu Warrier. The film's teaser was launched earlier in April and also features Murali Gopy, Roshan Mathew, Shine Tom Chacko, Srinda, Manikandan R Achari, Navas Vallikkunnu amongst others in pivotal roles.

Prithviraj has many Malayalam films lined up for release. He will be seen in "Bhramam", which is the Malayalam remake of Hindi film "Andhadun", following which he has "Theerppu", "Kaduva", "Barroz: Guardian Of D'gama's Treasure."