The important mines of bauxite are located at

The correct answer is B. Ghatshila.

Bauxite is an aluminium ore that is found in the Earth’s crust. It is the most important source of aluminium, which is used in a variety of products, including cars, airplanes, and buildings.

The important mines of bauxite are located at Ghatshila in Jharkhand, India. The Ghatshila mines are the largest bauxite mines in India, and they produce about 10 million tonnes of bauxite per year.

The other options are incorrect. Bagru is a town in Rajasthan, India. Ranchi is the capital of Jharkhand, India. Gua is a town in Jharkhand, India.