Listen to Mere Dil Mein Aaj Kya Hai (From "Daag") online. Mere Dil Mein Aaj Kya Hai (From "Daag") is a Hindi language song and is sung by Kishore Kumar. Mere Dil Mein Aaj Kya Hai (From "Daag"), from the album Romantic Hits Of Rajesh Khanna, was released in the year 2020. The duration of the song is 4:11. Download Hindi songs online from JioSaavn.