Explanation:

Steel is one of the core sectors of the Indian economy and plays a vital role for growth and development of the country. Presently, India is the 3rd largest steel producer in the world and is on its way to become the 2nd largest producer. Steel contributes to over 2% to India’s GDP and creates a virtuous cycle of employment generation throughout the economy. Other core sector of Indian Economy are coal, crude oil, natural gas, refinery products, fertilisers, steel, cement and electricity. The electricity has the maximum weight of 10.32% followed by Steel (6.68%), Petroleum Refinery (5.94%), Crude Oil production (5.22 %), Coal production (4.38 %), Cement (2.41%), Natural Gas production (1.71 %) and Fertilizer production (1.25%).