(i) Minerals are unevenly distributed in various regions of India.
(ii) Peninsular rocks contain most of the reserves of coal, metallic minerals, mica and many other non-metallic minerals.
(iii) Sedimentary rocks on the western and eastern flanks.
(iv) Rajasthan with the rock system of the peninsula has reserves of many nonferrous minerals.
(v) The vast alluvial plains of North India are almost devoid of economic minerals
