New Delhi, Feb. 28 -- The combined Index of Eight Core Industries (ICI) increased by 4.6 per cent (provisional) in January 2025 as compared to the last year, commerce ministry data showed on Friday.

The production of cement, refinery products, coal, steel, fertilizers and electricity recorded positive growth in January 2025.

The ICI measures the combined and individual performance of production of eight core industries -- coal, crude oil, natural gas, refinery products, fertilizers, steel, cement and electricity. The Eight Core Industries comprise 40.27 per cent of the weight of items included in the Index of Industrial Production (IIP).

The final growth rate of Index of Eight Core Industries for October 2024 increased by 3.8 per cent....