<h1>India's Core Industries Index Shows 6.5% Growth in Oct 2012, Boosted by Petroleum and Coal Production.</h1> The Index of Eight Core Industries in India, which constitutes 37.90% of the Index of Industrial Production, recorded a growth of 6.5% in October 2012, a notable increase from 0.4% in October 2011. This growth was driven by significant increases in the production of petroleum refinery products and coal. During April-October 2012-13, the cumulative growth rate was 3.7%, down from 4.3% the previous year. Coal production saw a 10.9% rise, while crude oil and natural gas experienced negative growth. Petroleum refinery products surged by 20.3%, and other sectors like steel, cement, and electricity also showed varying growth rates.