Listen to Ko Ko Ku Kokilama (From "Postman") online. Ko Ko Ku Kokilama (From "Postman") is a Telugu language song and is sung by K.J. Yesudas and K. S. Chithra. Ko Ko Ku Kokilama (From "Postman"), from the album Memorable Super Hits Of Soundarya, was released in the year 2019. The duration of the song is 4:54. Download Telugu songs online from JioSaavn.