Concept:This instrument is a traditional folk instrument of Rajasthan, made from a hollow gourd and played by plucking a string.Explanation:The instrument shown is the Bhapang. It is made from a hollow gourd shell with the top and bottom cut off. The bottom is covered with a piece of flexible leather, usually goat-hide. A string is passed through the leather and tied to a small bamboo piece at the other end. The player holds it between the left arm and torso, and plucks the string with a plectrum using the right hand. By stretching or relaxing the string, different pitches are produced. It is commonly used by the Bhat community of Rajasthan. The other options: Jantar is a harp-like instrument with 4 strings, and Nag Phani is a brass wind instrument shaped like a snake. Neither matches the image.Answer:B. Bhapang
