The most basic industry is the Iron and steel industry as all the industries are depended on this industry for their machinery. Steel is an important metal because it is used for manufacturing engineering goods, construction material, defence, medical, telephonic, scientific equipment, and a variety of consumer goods. India is considered as the largest exporter of steel, i.e., 2.25% in 2004 in the global steel trade.
Public sector undertaking of India sells its steel through steel Authority of India Ltd or SAIL. This is the reason the Steel Authority of India said to be a public sector undertaking.
The TISCO markets, also known as Tata Iron and Steel Company Limited sell their produce through Tata steel.