ओडिशा के क्योंझर जिले में कौन सा खनिज प्रचुर मात्रा में पाया जाता है?

Among the given options, identify the mineral that belongs to the 'non-metallic' category.

The Kakrapar Atomic Power Plant is located in which Indian state?

The best-quality hard coal that contains 80% to 95% carbon content is known as ________.