Option c is the correct answer. Akum and Todi is a wind musical instrument that is played by the tribal people of Chhattisgarh. It is made of bamboo and produces a melodious sound when blown. Other traditional musical instruments of Chhattisgarh are: Percussion instruments: charhe, pulki, khajeri, hirnang, tudbudi, nagada, mridang, gatka, maandri String instruments: nakdevan, bana, tamboora, chikara