Explanation:

Bhilai Steel Plant located in Bhilai, in the Indian state of Chhattisgarh, is India's first and main producer of steel rails, as well as a major producer of wide steel plates and other steel products. The plant also produces steel and markets various chemical by-products from its coke ovens and coal chemical plant. It was set up with the help of the USSR in 1955.
Rourkela Steel Plant in Rourkela, Odisha is the first integrated steel plant in the public sector in India. It was set up with West German collaboration with an installed capacity of 1 million tonnes in the 1960s. It is operated by Steel Authority of India.
Bokaro Steel Plant is located in the Bokaro district of Jharkhand. It is the fourth integrated public sector steel plant in India built with Soviet help. It was incorporated as a limited company in 1964. It was later merged with the state-owned Steel Authority of India Limited (SAIL).
Jamshedpur is home to the first private iron and steel company of India. The areas surrounding Jamshedpur are rich in minerals, including iron ore, coal, manganese bauxite and lime. Jamshedpur is situated in the southern end of the state of Jharkhand and is bordered by the states of Odisha and West Bengal.