Muri is famous for its bauxite mining. Bauxite is the ore from which aluminium is extracted. It is a major export of India and is used in the manufacture of aluminium products such as cans, foil, and aircraft parts.
Alumina is a white, powdery mineral that is the intermediate product between bauxite and aluminium. It is produced by heating bauxite in a process called calcination. Alumina is then used to produce aluminium metal by electrolysis.
Alcohol is a colorless, flammable liquid that is produced by the fermentation of sugars. It is used in a variety of products, including beverages, fuel, and solvents.
Sponge iron is a type of iron that is produced by a direct reduction process. It is used in the manufacture of steel.
Therefore, the correct answer is A.