The correct answer is D. All of these.
Mahendragarh is a district in the Indian state of Haryana. It is located in the southern part of the state and is bordered by the districts of Rewari, Gurgaon, Alwar, and Jaipur. The district has a rich mineral wealth and is home to a number of mines, including limestone, granite, and china clay.
Limestone is a sedimentary rock composed primarily of calcium carbonate. It is a common mineral and is used in a variety of industries, including construction, cement, and fertilizer.
Granite is an igneous rock composed of quartz, feldspar, and mica. It is a hard and durable rock that is used in a variety of construction projects, including buildings, bridges, and monuments.
China clay is a clay mineral that is used in the manufacture of ceramics, paper, and other products. It is a soft, white clay that is found in a number of different parts of the world.
The district of Mahendragarh is a major producer of all three of these minerals. The limestone mines in the district are some of the largest in the country and produce a high-quality product that is used in a variety of industries. The granite mines in the district are also significant and produce a high-quality product that is used in a variety of construction projects. The china clay mines in the district are also significant and produce a high-quality product that is used in a variety of manufacturing industries.
The mineral wealth of the district of Mahendragarh has played a major role in the development of the district’s economy. The mines in the district provide employment to a large number of people and generate a significant amount of revenue for the state government. The mineral wealth of the district has also attracted a number of industries to the district, which has further contributed to the development of the district’s economy.