Listen to Alasa Kolasa online. Alasa Kolasa is a Malayalam language song and is sung by Mohan Sithara, K.J. Yesudas and K. S. Chithra. Alasa Kolasa, from the album Sahayaathrikakku Snehapoorvam (Original Motion Picture Soundtrack), was released in the year 2003. The duration of the song is 4:50. Download Malayalam songs online from JioSaavn.