Listen to Mere Dil Mein Aaj Kya Hai (Form "Daag") online. Mere Dil Mein Aaj Kya Hai (Form "Daag") is a Hindi language song and is sung by Kishore Kumar and Laxmikant - Pyarelal. Mere Dil Mein Aaj Kya Hai (Form "Daag"), from the album The Lover Boy - Rajesh Khanna, was released in the year 2018. The duration of the song is 4:11. Download Hindi songs online from JioSaavn.