The combined Index of Eight Core Industries, or the core sector, grew by 4.6 percent in January 2025, compared to the same month last year. The production of cement, refinery products, coal, steel, fertilisers, and electricity recorded positive growth in January 2025.
Infrastructure sector data measures the combined and individual performance of production in eight core industries—coal, crude oil, natural gas, refinery products, fertilisers, steel, cement, and electricity.
These eight industries account for 40.27 percent of the weight of items included in the Index of Industrial Production (IIP). Coal production increased by 4.6 percent in January; crude oil production declined by 1.1 percent; natural gas production fell by 1.5 percent; petroleum refinery production surged by 8.3 percent; fertiliser production advanced by 3 percent; steel production rose by 3.7 percent; cement production jumped by 14.5 percent; and electricity generation gained by 1.3 percent in January.
