The city is the trade center for an area in which cotton, millet, wheat, coriander and oilseed are grown; industries include cotton and oilseed milling, textile weaving, distilling, dairying, and the manufacture of metal handcrafts. Kota also has an extensive industry of stone-polishing of a stone called Kota Stone. Kota stone is blue in colour and is used for the floor and walls of residential and business buildings. It is a cheap alternative to marble. Kota's economy today is driven by the all-India fame of its coaching classes, it is regarded as a largest coaching hub in India. The major industries include DCM Sriram Consolidated Limited (DSCL), Instrumentation Limited, Multimetals Limited, Samtel Glass Limited, Birla Cement, CFCL Chambal Fertilizers and Chemicals Limited, Sriram Fertilizers and Metal India (in agricultural sector), shriram rayons(DCM shriram industries
