India’s eight key infrastructure sectors’ output slowed down to 4 per cent in January. Earlier in January 2025, the eight key infrastructure sectors’ output growth was at 5.1 per cent. The same was 4.7 per cent in December 2025. The Index of Eight Core Industries (ICI), which tracks activity across eight sectors, including cement, steel, electricity, crude oil, coal, natural gas, fertilisers, and accounts for 40 per cent of the country’s industrial production.