The makers of Anaswara Rajan and Sajin Gopu's Painkili, directed by debutant Sreejith Babu, have dropped the first single from the film titled Heart Attack. The groovy track, composed by Justin Varghese and penned by Vinayak Sasikumar, is sung by rapper Fejo.

Slated as a Valentine's Day release on February 14, Painkili is penned by Aavesham director Jithu Madhavan, who is also co-producing it under his banner Urban Animal alongside actor Fahadh Faasil. The film also stars Aavesham-fame Roshan Shanavas, Chandu Salimkumar, Abu Salim, Jisma Vimal, filmmaker Lijo Jose Pellissery, Riyaz Khan and Ashwathy B, among others. The film has cinematography by Arjun Sethu and editing by Kiran Das.

Sajin, best known for his celebrated comical performances in both of Jithu’s directorial ventures, was recently seen in seasoned production designer Jothish Shankar's directorial debut Ponman, starring Basil Joseph in the lead. The Aavesham actor's upcoming lineup also includes Ratheesh Balakrishnan Poduval’s Oru Durooha Saahacharyathil, led by Kunchacko Boban.

Last seen in Ennu Swantham Punyalan, Anaswara's forthcoming films also include Deepu Karunakaran's Mr & Mrs Bachelor opposite Indrajith Sukumaran and Jayaraj's Oru Perumgaliyattam, headlined by Suresh Gopi.