Listen to Koi Mil Gaya online. Koi Mil Gaya is a Hindi language song and is sung by Jatin-Lalit, Kavita Krishnamurthy, Udit Narayan and Alka Yagnik. Koi Mil Gaya, from the album Kuch Kuch Hota Hai (Original Motion Picture Soundtrack), was released in the year 1998. The duration of the song is 7:17. Download Hindi songs online from JioSaavn.