<h1>India's Core Industries See 5.1% Growth in September 2012, Boosted by Coal and Cement Production.</h1> The Index of Eight Core Industries in India, with a base year of 2004-05, showed a growth rate of 5.1% in September 2012, compared to 2.5% in September 2011. This growth was driven by significant increases in coal, petroleum refinery products, and cement production. Cumulatively, the core industries grew by 3.2% during April-September 2012-13, down from 5.0% in the same period of 2011-12. Coal production surged by 21.4%, while crude oil and natural gas experienced negative growth. Petroleum refinery products and cement saw notable increases, whereas electricity and steel had moderate growth. Fertilizer production declined cumulatively.