Listen to Koi Mera Dil Mein Hain online. Koi Mera Dil Mein Hain is a Hindi language song and is sung by Naushad Ali and Lata Mangeshkar. Koi Mera Dil Mein Hain, from the album Memories Of Nargis, was released in the year 1948. The duration of the song is 2:42. Download Hindi songs online from JioSaavn.