India’s core sector growth slowed for a second straight month to 4.8% in August 2026, a three-month low. Cement output jumped 12.5% and electricity generation rose 11.6%, but contractions in coal, natural gas, crude oil and fertilisers weighed on the headline number. The split suggests construction activity remains strong while parts of the energy and agricultural-input economy face pressure.
Construction remains the strongest pocket
Cement production grew 12.5% year-on-year in August, broadly maintaining July’s double-digit pace. Electricity output accelerated to 11.6% from 8.4% in July, providing another major source of support to overall infrastructure activity.
The numbers point to continued momentum in construction-linked demand even as the broader core sector loses speed. Government capital expenditure remains one support, with more than 36% of the FY2027 ₹12.2 lakh crore capex target utilised through July, compared with about 30% in the corresponding period a year earlier.
Steel output also expanded, but momentum remained modest. Production grew 3.4% in August, improving from 1.9% in July but well below the 15.3% growth recorded in August 2025.
Energy sectors turn into a drag
Coal production fell 3.8% year-on-year after expanding 7.6% in July. That reversal was one of the clearest reasons the headline growth rate moderated.
Natural gas output declined 4.9%, extending its contraction, while crude oil production fell 3.6%.
Fertilisers recorded the steepest fall among the major components, declining 12.4% from a year earlier. Weakness across these sectors offset much of the strength coming from cement and electricity.
The divergence matters for investors. Strong cement and power numbers can support the earnings outlook for infrastructure-linked businesses, while persistent weakness in domestic oil, gas and coal production can increase dependence on imports or constrain upstream volumes.
Growth loses momentum for second month
The 4.8% August reading marks the second consecutive moderation and the weakest core-sector growth in three months.
That does not signal a broad industrial contraction. Several major sectors are still expanding rapidly, but the distribution of growth has become uneven.
For markets, the next question is whether construction-led strength can continue compensating for weaker energy and fertiliser production. Sustained government capex, electricity demand and cement consumption would support industrial activity, while elevated energy risks remain a potential drag.
Investors will now watch subsequent industrial-production data to see whether August’s slowdown was concentrated in core industries or reflected a wider moderation across manufacturing and infrastructure activity.