The gogona (Assamese: গগণা) is a type of jaw harp, a vibrating reed instrument that is used primarily in the traditional Bihu music in Assam. It is made of a piece of bamboo/horn that has a bifurcation on one end. The solid end is gripped with the teeth and the free ends are then struck repeatedly with the fingers to emit the distinctive sound of the gogona.
Ramdhan Gogona (Assamese: ৰামধন গগণা) is played generally by male, it is shorter, wider & slight heavier than Lahori Gogona to hold properly in male's hand. This instrument is fudge kept performer's waist tied tongali or head tied Gamusa as other instruments like Bahi (Flute), Xutuli etc.
Lahori Gogona(Assamese: লাহৰি গগণা) is made to fit female's hand, slightly slimmer and longer than Ramdhan Gogona, generally uses as a hair pin of hair knot while performing Bihu dance.