1. The summary of the Index of Eight Core Industries (base: 2011-12) is given at the Annexure.

2. The Eight Core Industries comprise 40.27 per cent of the weight of items included in the Index of Industrial Production (IIP). The combined Index of Eight Core Industries stood at 132.1 in December 2018, which was 2.6 percent higher as compared to the index of December 2017. Its cumulative growth during April to December, 2018-19was 4.8per cent.

Coal

3. Coal production (weight: 10.33per cent)increased by 0.9 per cent in December 2018 over December 2017. Its cumulative index increased by 7.8 percent during April to December, 2018-19over corresponding period of the previous year.

Crude Oil

4. Crude Oil production (weight: 8.98per cent) declined by 4.3 per cent in December 2018 over December 2017. Its cumulative index declined by 3.7 percent during April to December, 2018-19over the corresponding period of previous year.

Natural Gas

5. The Natural Gas production (weight: 6.88per cent) increased by 4.2per cent in December 2018 over December 2017. Its cumulative index declined by 0.1 percent during April to December 2018-19 over the corresponding period of previous year.

Refinery Products

6. Petroleum Refinery production (weight: 28.04per cent) declined by 4.8 per cent in December 2018 over December 2017. Its cumulative index increased by 4.1 percent during April to December, 2018-19over the corresponding period of the previous year.

Fertilizers

7. Fertilizers production (weight: 2.63 per cent) declined by 2.4 per cent in December 2018 over December 2017. Its cumulative index declined by 1.4 percent during April to December 2018-19 over the corresponding period of previous year.

Steel

8. Steel production (weight: 17.92per cent)increased by 13.2 per cent in December 2018 over December 2017. Its cumulative index increased by 4.7 percent during April to December 2018-19 over the corresponding period of previous year.

Cement

9. Cement production (weight: 5.37per cent) increased by 11.6per cent in December, 2018over December 2017. Its cumulative index increased by 13.9 percent during April to December, 2018-19over the corresponding period of previous year.

Electricity

10. Electricity generation (weight: 19.85per cent) increased by 4.0 percent in December, 2018over December 2017. Its cumulative index increased by6.3per cent during April to December, 2018-19over the corresponding period of previous year.

Note 1: Data for October 2018, November 2018 and December, 2018are provisional.

Note 2: Since April 2014, Electricity generation data from Renewable sources are also included.

Note 3: The industry-wise weights indicated above are individual industry weight derived from IIP and blown up on a pro-rata basis to a combined weight of ICI equal to 100.

Note 4: Release of the index for January 2019 will be on Thursday, 28th February 2019.