The Bengal Iron Works was founded at Kulti, Bengal, in 1870 which began its production in 1874 followed by The Tata Iron and Steel Company (TISCO) was established by Dorabji Tata in 1907, as part of his father's conglomerate.  By 1939 it operated the largest steel plant in the British Empire. The company launched a major modernization and expansion program in 1951.
Prime Minister Jawaharlal Nehru, a believer in socialism, decided that the technological revolution in India needed maximization of steel production. He, therefore, formed a government owned company, Hindustan Steel Limited (HSL) and set up three steel plants in the 1950s.
The Indian steel industry began expanding into Europe in the 21st century. In January 2007 Indias Tata Steel made a successful $11.3 billion offer to buy European steel maker Corus Group. In 2006 Mittal Steel (based in London but with Indian management) merged with Arcelor after a takeover bid for $34.3 billion to become the worlds biggest steel maker, ArcelorMittal (based in Luxembourg City), with 10% of the world's output.