Answer
"Phir Mohabbat" was sung by Arijit Singh for the 2011 romantic thriller film "Murder 2." The song, composed by Mithoon and penned by Sayeed Quadri, became a massive hit and is often regarded as one of Singh's most iconic tracks. The film, directed by Mohit Suri, starred Emraan Hashmi, Jacqueline Fernandez, and Prashant Narayanan.