The combined Index of eight core industries stood at 133.8 in December 2020 and declined by 1.3 (provisional) percent as compared to the Index of December 2019, Commerce Ministry said on Friday.
Its cumulative growth during April to December 2020-21 has been – 10.1 percent in the conditions created by COVID-19.
These industries comprise coal, crude oil, natural gas, refinery products, fertilisers, steel, cement, and electricity. These industries comprise 40.27 percent of the weight of items included in the Index of Industrial Production (IIP).
Coal production, which has a weight of 10.33 percent among the eight core industries, increased by 2.2 percent in December 2020 compared to the corresponding month of the last fiscal. Its cumulative index declined by 1.9 per cent during April to December 2020-21 over the corresponding period of the previous fiscal.
Crude oil production, which has a weight of 8.98 percent, declined by 3.6 percent in December 2020 compared to the corresponding month of the last fiscal. Its cumulative index declined by 5.7 percent during April to December 2020-21 over the corresponding period of the previous fiscal.

Natural gas production, which has a weight of 6.88 percent, declined by 7.2 percent in December 2020 compared to the corresponding month of the last fiscal. Its cumulative index declined by 11.6 percent during April to December 2020-21 over the corresponding period of the previous fiscal.
Petroleum refinery production, which has a weight of 28.04 percent, declined by 2.8 percent in December 2020 compared to the corresponding month of the last fiscal. Its cumulative index declined by 13.5 percent during April to December 2020-21 over the corresponding period of the previous fiscal.
Fertilizers production, which has a weight of 2.63 percent, declined by 2.9 percent in December 2020 compared to the corresponding month of the last fiscal. Its cumulative index increased by 3 percent during April to December 2020-21 over the corresponding period of the previous fiscal.
Steel production, which has a weight of 17.92 percent, declined by 2.7 percent in December 2020 compared to the corresponding month of the last fiscal. Its cumulative index declined by 16.7 percent during April to December 2020-21 over the corresponding period of the previous fiscal.
Cement production, which has a weight of 5.37 percent, declined by 9.7 percent in December 2020 compared to the corresponding month of the last fiscal. Its cumulative index declined by 18.3 percent during April to December 2020-21 over the corresponding period of the previous fiscal.
Electricity generation, which has a weight of 19.85 percent, increased by 4.2 percent in December 2020 compared to the corresponding month of the last fiscal. Its cumulative index declined by 3.7 percent during April to December 2020-21 over the corresponding period of the previous fiscal.