The correct answer is D) Adilabad.
Adilabad district is known for the mining of heavy mineral sands in Telangana. Heavy mineral sands are a type of sand that contains high concentrations of heavy minerals, such as ilmenite, rutile, and zircon. These minerals are used in a variety of industrial applications, including the production of titanium dioxide, ceramics, and abrasives.
The mining of heavy mineral sands in Adilabad district has been a controversial issue for many years. Environmentalists have raised concerns about the impact of mining on the environment, including the destruction of forests and the contamination of water supplies. However, the mining industry has argued that the benefits of mining outweigh the environmental costs.
In recent years, the government of Telangana has taken steps to regulate the mining of heavy mineral sands in Adilabad district. The government has imposed a moratorium on new mining leases and has required existing mines to comply with stricter environmental regulations. These measures have helped to reduce the environmental impact of mining in the district.
Despite the environmental concerns, the mining of heavy mineral sands remains an important economic activity in Adilabad district. The industry provides jobs for thousands of people and contributes significantly to the local economy.