Solution:Red soil contains a lot of iron oxide which makes it appear brown or grey. It develops on old crystalline rocks. It is found in Tamil Nadu, Karnataka, Andhra Pradesh, Parts of Odisha, Chhattisgarh, Jharkhand, Bundelkhand, Meghalaya, Mizoram, Manipur and Nagaland. It is suitable for almost all crop types especially vegetables, rice, ragi, tobacco, ground nut and potatoes.