Products used for commerce that are traded on a separate, authorized commodities exchange. Commodities include agricultural products and natural resources such as timber, oil and metals. Commodities are the basis for futures contracts traded on these exchanges. It is classified as follows: 

Agro commodities

An Agricultural Commodity includes food grains, oilseeds complex, sugar, plantation crops, horticulture crops etc. 

Non-Agro commodities

Non-Agro commodity includes base metals, precious metals etc.