Which of the following industries constitute the core sector of ‘Index of Industrial Production (II

Index of Industrial Production (IIP): IIP is an index which shows the growth rates in different industry groups of the economy in a stipulated period of time.  IIP is a composite indicator that measures the growth rate of industry groups classified under: Broad sectors, namely, Mining, Manufacturing and Electricity Use-based sectors, namely Basic Goods, Capital Goods and Intermediate Goods. Publication: It is  published monthly by the National Statistical Office (NSO), Ministry of Statistics and Programme Implementation. Base Year: 2011-12 Eight Core Sectors: The eight core sector industries comprise 40.27% of the weight of items included in the Index of Industrial Production (IIP) which includes:  Refinery Products, Electricity, Steel, Coal, Crude Oil, Natural Gas, Cement, Fertilisers.