The Eight Core Industries comprise nearly 38 % of the weight of items included in the Index of Industrial Production (IIP). The combined Index of Eight Core Industries stands at 202.9 in March, 2017, which was 5.0 % higher compared to the index of March, 2016. Its cumulative growth during April to March, 2016-17 was 4.5 %.
Coal
Coal production (weight: 4.38 %) increased by 10.0 % in March, 2017 over March, 2016. Its cumulative index during April to March, 2016-17 increased by 3.6 % over corresponding period of previous year.
Crude Oil
Crude Oil production (weight: 5.22 %) increased by 0.9 % in March, 2017 over March, 2016. Its cumulative index during April to March, 2016-17 declined by 2.5 % over the corresponding period of previous year.
Natural Gas
The Natural Gas production (weight: 1.71 %) increased by 8.3 % in March, 2017 over March, 2016. Its cumulative index during April to March, 2016-17 declined by 1.1 % over the corresponding period of previous year.
Refinery Products (93% of Crude Throughput)
Petroleum Refinery production (weight: 5.94%) declined by 0.3 % in March, 2017 over March, 2016. Its cumulative index during April to March, 2016-17 increased by 5.4 % over the corresponding period of previous year.
Fertilizers
Fertilizer production (weight: 1.25%) declined by 0.8 % in March, 2017 over March, 2016. Its cumulative index during April to March, 2016-17 increased by 1.8 % over the corresponding period of previous year.
Steel (Alloy + Non-Alloy)
Steel production (weight: 6.68%) increased by 11.0 % in March, 2017 over March, 2016. Its cumulative index during April to March, 2016-17 increased by 9.3 % over the corresponding period of previous year.
Cement
Cement production (weight: 2.41%) declined by 6.8 % in March, 2017 over March, 2016. Its cumulative index during April to March, 2016-17 declined by 1.3 % over the corresponding period of previous year.
Electricity
Electricity generation (weight: 10.32%) increased by 5.9 % in March, 2017 over March, 2016. Its cumulative index during April to March, 2016-17 increased by 5.1 % over the corresponding period of previous year.
Performance of Eight Core Industries
YEARLY INDEX & GROWTH RATE
Base Year: 2004-05=100
INDEX
| Sector | Weight | 2011-12 | 2012-13 | 2013-14 | 2014-15 | 2015-16 | Apr-Mar 2015-16 | Apr-Mar 2016-17 |
| Coal | 4.379 | 141.5 | 148.1 | 150.0 | 162.2 | 169.5 | 169.5 | 175.6 |
| Crude Oil | 5.216 | 112.1 | 111.4 | 111.2 | 110.2 | 108.7 | 108.7 | 106.0 |
| Natural Gas | 1.708 | 149.7 | 128.1 | 111.5 | 106.0 | 101.5 | 101.5 | 100.4 |
| Refinery Products | 5.939 | 133.7 | 172.5 | 175.0 | 175.6 | 183.2 | 183.2 | 193.0 |
| Fertilizers | 1.254 | 103.8 | 100.2 | 101.8 | 101.7 | 114.4 | 114.4 | 116.6 |
| Steel | 6.684 | 174.0 | 181.1 | 201.9 | 211.4 | 211.3 | 211.3 | 230.9 |
| Cement | 2.406 | 175.2 | 188.7 | 194.5 | 205.3 | 215.5 | 215.5 | 212.7 |
| Electricity | 10.316 | 149.3 | 155.3 | 164.6 | 178.5 | 193.4 | 193.4 | 203.2 |
| Overall Index | 37.903 | 145.3 | 154.7 | 161.2 | 168.5 | 175.2 | 175.2 | 183.0 |
GROWTH RATES (in %)
| Sector | Weight | 2011-12 | 2012-13 | 2013-14 | 2014-15 | 2015-16 | Apr-Mar 2015-16 | Apr-Mar 2016-17 |
| Coal | 4.379 | 1.3 | 4.6 | 1.3 | 8.1 | 4.5 | 4.5 | 3.6 |
| Crude Oil | 5.216 | 1.0 | -0.6 | -0.2 | -0.9 | -1.4 | -1.4 | -2.5 |
| Natural Gas | 1.708 | -8.9 | -14.5 | -13.0 | -4.9 | -4.2 | -4.2 | -1.1 |
| Refinery Products | 5.939 | 3.1 | 29.0 | 1.5 | 0.3 | 4.3 | 4.3 | 5.4 |
| Fertilizers | 1.254 | 0.4 | -3.4 | 1.5 | -0.1 | 12.5 | 12.5 | 1.8 |
| Steel | 6.684 | 10.3 | 4.1 | 11.5 | 4.7 | -0.1 | -0.1 | 9.3 |
| Cement | 2.406 | 6.7 | 7.7 | 3.1 | 5.6 | 5.0 | 5.0 | -1.3 |
| Electricity | 10.316 | 8.1 | 4.0 | 6.0 | 8.4 | 8.3 | 8.3 | 5.1 |
| Overall Index | 37.903 | 5.0 | 6.5 | 4.2 | 4.5 | 4.0 | 4.0 | 4.5 |
