Listen to Mere Dil Mein Aaj Kya Hai online. Mere Dil Mein Aaj Kya Hai is a Hindi language song and is sung by Laxmikant - Pyarelal and Kishore Kumar. Mere Dil Mein Aaj Kya Hai, from the album Kaun Hai Jo Sapnon Mein Aaya, was released in the year 2004. The duration of the song is 4:22. Download Hindi songs online from JioSaavn.