Listen to O Tusu online. O Tusu is a Bengali language song and is sung by Shyamal Mitra and Tripti Mitra. O Tusu, from the album Dhanraj Tamang - Swati - Sansarer Itikatha - Sat Maa, was released in the year 1979. The duration of the song is 3:11. Download Bengali songs online from JioSaavn.