Pena is a mono string instrument falling in the lute category, slightly similar to some of the traditional Indian stringed musical instruments such as the ravanahatha, ubo or the kenda.

It is the traditional musical instrument of Manipur, used mainly in the Lai Haraoba festival of Sanamahism.

[1] The Center for Research on Traditional and Indigenous Art (Laihui), an organization headed by renowned pena player, Khangembam Mangi Singh has mandated vision to revive pena music.

[2] The main body is made out of bamboo, 10 to 11 inches long and 1 to 1.25 inches girth, which is fixed to a coconut shell cut in half, through two holes bore through the shell.

The bow is wooden and bears a curved flourish at one end which is made of metal.