The correct matchings between the minerals and their mining areas are as per Option 1.

In option 1:

I-C: Graphite is correctly matched with Rampa. Rampa is known for graphite mining.

II-D: Lead is correctly matched with Zawar. Zawar, located in the state of Rajasthan in India, is one of the largest and most important lead mining sites in the world.

III-A: Salt is correctly matched with Bellary. Bellary, in Karnataka, has extensive salt pans where salt is mined.

IV-B: Silver is correctly matched with Didwana. Didwana, also in Rajasthan, is well known for its silver mines.

The rest of the options are incorrect as they mismatch the minerals with their respective mining areas.