Correct Answer: (c) Gypsum
Solution:India has various non-metallic minerals reserves. Non-metallic minerals available from India are Phosphorite, Dolomite, Gypsum, Garnet, Wollastonite, Vermiculite, Ochre, Perlite, Bentonite, Asbestos, Cadmium, Felspar, Soapstone, Kaolin, Sillimanite, Limestone, Diatomite, Pyrophyllite, Fluorite, Vanadium, Dunite, Ilmenite, Gallium and Zircon