Bollywood`s much awaited film “Sardar Ka Grandson” triggered a new fan wave with the release on 12th May of a new song titled `Dil Nahin Todna`. The song features lead actors Arjun Kapoor and Rakul Preet Singh. Crooned by Zara Khan and Tanishk Bagchi, music of the song is composed and lyrics written by Tanishk Bagchi. The video shows lead actors going through a lot of pain as they are witnessing heartbreak. In one scene, Rakul is also seen throwing her ring. The song shows them remembering their good times together and longing for each other. Produced by Emmy Entertainment and directed by Kaashvi Nair, the film will be releasing on 18th May.