Description: Hailla Hailla (Koi... Mil Gaya) is sung by Alka Yagnik, Udit Narayan. Download Hailla Hailla (Koi... Mil Gaya) mp3song, download Hailla Hailla (Koi... Mil Gaya) mp3 song in 128 kbps and 320 kbps and itune rip also.