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