The correct answer is: B. Red sandstone, lime, ornamental stones, etc.
The Vindhyan rock system is a sedimentary rock system that is found in the central and eastern parts of India. It is one of the oldest rock systems in the world, and it is known for its red sandstone, lime, and ornamental stones.
Granite and gneiss are igneous rocks, and basalt is a volcanic rock. Coal, diamond, and bauxite are all metamorphic rocks. The Vindhyan rock system is not known for any of these types of rocks.
Red sandstone is the most common type of rock found in the Vindhyan rock system. It is a sedimentary rock that is composed of sand-sized grains of quartz. Red sandstone is often used in construction and landscaping.
Lime is a sedimentary rock that is composed of calcium carbonate. It is used in the production of cement and other building materials.
Ornamental stones are a variety of rocks that are used for their beauty or rarity. Some of the ornamental stones found in the Vindhyan rock system include jasper, agate, and marble.