Listen to Is Dil Mein Kya Hai online. Is Dil Mein Kya Hai is a Hindi language song and is sung by Lata Mangeshkar and Udit Narayan. Is Dil Mein Kya Hai, from the album Jab Pyaar Kisise Hota Hai, was released in the year 1998. The duration of the song is 4:49. Download Hindi songs online from JioSaavn.