The correct answer is D) Warangal.
Warangal district is one of the most important districts in Telangana state, India. It is located in the central part of the state and is known for its rich mineral resources, including limestone. The district has abundant limestone reserves, which are used in the production of cement, lime, and other building materials. Limestone is also used in the manufacture of steel and other industrial products.
The limestone reserves in Warangal district are estimated to be over 1 billion tonnes. The limestone is of high quality and is suitable for a variety of uses. The district has a number of limestone mines, which are operated by both private and public sector companies. The limestone industry is a major contributor to the economy of Warangal district and provides employment to thousands of people.
The limestone reserves in Warangal district are a valuable resource and are essential for the development of the district. The district government is committed to the development of the limestone industry and is working to attract investment from both domestic and foreign companies. The limestone industry has the potential to create thousands of new jobs and to contribute significantly to the economy of Warangal district.
The other options are incorrect because they do not have abundant limestone reserves. Adilabad district is known for its coal reserves, Karimnagar district is known for its iron ore reserves, and Nalgonda district is known for its granite reserves.