The correct answer is (c), Dumka.
Bauxite is a mineral ore that is the main source of aluminum. It is a reddish-brown ore that is found in igneous and metamorphic rocks. Bauxite is found in many parts of the world, including Australia, China, Brazil, Guinea, and India.
Odisha is a state in eastern India. It is the largest producer of bauxite in India. The bauxite deposits in Odisha
are located in the districts of Bolangir, Koraput, Sambalpur, and Keonjhar.Dumka is a district in Jharkhand, India. It is not a major producer of bauxite.
The other options, Bolangir, Koraput, and Sambalpur, are all major producers of bauxite in Odisha.