Chhapaak: Deepika Padukone, Gulzar Laxmi Agarwal at song launch event

The title track of Deepika Padukone starrer Chhapaak has been launched in Mumbai. The title track is composed by Shankar, Ehsaan and Loy. While Gulzar penned the song, Arijit Singh sang it. Chhapaak is based on the life of acid attack survivor and activist Laxmi Agarwal. Directed by Meghna Gulzar, film also features Vikrant Massey. Chhapaak is set to hit theatres on January 10.