Listen to Kochu Kochu Swapnangal online. Kochu Kochu Swapnangal is a Malayalam language song and is sung by S. Janaki and Salil Chowdhury. Kochu Kochu Swapnangal, from the album Pratheeksha, was released in the year 1979. The duration of the song is 4:14. Download Malayalam songs online from JioSaavn.