India’s core sector growth edges up to 1.7% in April on steel, cement boost

India's Index of Eight Core Industries (ICI) recorded year-on-year growth of 1.7% in April 2026, a two-month high, up from a revised 1.2% in March 2026. Grow...

What Happened

India's Index of Eight Core Industries (ICI) recorded year-on-year growth of 1.7% in April 2026, a two-month high, up from a revised 1.2% in March 2026.
Growth was driven by steel (up 6.2% YoY), cement (up 9.4% YoY), and electricity generation (up 4.1% YoY).
Output contracted in five of the eight core sectors: coal (down 8.7%), fertilizers (down 8.6%), natural gas (down 4.3%), crude oil (down 3.9%), and petroleum refinery products (down 0.5%).
The divergence between construction-linked sectors (steel, cement) and energy/fossil fuel sectors reflects the seasonal and structural pattern of India's industrial activity.
Core sector data serves as an advance indicator for the Index of Industrial Production (IIP), which is released with a one-month lag.

Static Topic Bridges

Index of Eight Core Industries (ICI) — Composition and Weight in IIP

The Index of Eight Core Industries (ICI) tracks output of India's eight most infrastructure-critical sectors: coal, crude oil, natural gas, petroleum refinery products, fertilizers, steel, cement, and electricity. With base year 2011-12, the ICI has a combined weight of 40.27% in the broader Index of Industrial Production (IIP), making it a leading advance signal for overall industrial output. The Office of the Economic Advisor (OEA) under the Ministry of Commerce and Industry releases ICI data on the last working day of each subsequent month. The ICI uses the Laspeyres formula — a weighted arithmetic mean of quantity relatives.

Eight sectors (descending weight order): Refinery Products (5.94%) > Electricity > Steel (6.68%) > Coal (4.38%) > Crude Oil (5.22%) > Natural Gas (1.71%) > Cement (2.41%) > Fertilizers (1.25%).
Combined ICI weight in IIP: 40.27%.
Base year: 2011-12 (revised from 2004-05).
Released by: Office of the Economic Advisor, Ministry of Commerce and Industry.
Release lag: one month (last working day of the following month).
Calculation method: Laspeyres' weighted arithmetic mean.

Connection to this news: The April 2026 ICI reading of 1.7% signals moderate industrial recovery led by construction materials (cement +9.4%, steel +6.2%), while energy sector weakness (coal, crude oil, gas all contracting) offsets the gains — this composite picture will be broadly confirmed by the IIP data released a month later.

Index of Industrial Production (IIP) — Structure and Significance

The Index of Industrial Production (IIP) is a composite indicator that measures the short-term changes in volume of industrial production in India across three broad sectors: Manufacturing (77.63% weight), Mining (14.37% weight), and Electricity (7.99% weight). It is compiled and published by the National Statistical Office (NSO), Ministry of Statistics and Programme Implementation (MoSPI), monthly with a two-month lag. IIP is a key leading indicator used by the RBI in monetary policy assessments, and is the primary tool for gauging industrial health between GDP releases.

Published by: National Statistical Office (NSO), MoSPI.
Release lag: two months (data for April released in June).
Base year: 2011-12.
Three use-based classifications: Basic goods, Capital goods, Intermediate goods, Consumer Durables, Consumer Non-Durables.
ICI accounts for 40.27% of IIP weight — making core sector data a reliable advance proxy.

Connection to this news: The ICI's April 2026 reading of 1.7% growth provides an early signal that IIP for April will likely reflect moderate positive growth, particularly in the basic goods segment driven by construction-linked materials.

Sectoral Analysis: Why Cement and Steel Lead While Coal and Fertilizers Lag

The cement and steel sectors are closely tied to construction activity, which typically accelerates in the post-monsoon and summer quarters (Q4 and Q1) as infrastructure projects resume. Steel's 6.2% growth reflects continued momentum from government capital expenditure (capex) on infrastructure. Fertilizer contraction often relates to seasonal demand patterns (rabi vs. kharif cycles) and input cost pressures. Coal's 8.7% decline may reflect disruptions, inventory adjustments, or displacement by renewable energy at the margin.

Steel weight in ICI: 6.68% — highest among the eight sectors.
Cement weight in ICI: 2.41% — relatively lower weight despite high growth.
Coal: Largest by weight after refinery products; contraction of 8.7% has a significant drag effect.
Fertilizer contraction (8.6%) likely seasonal — kharif sowing typically ramps up from June.

Connection to this news: Steel and cement's strong April numbers are consistent with infrastructure spending continuity, but coal and fertilizer contractions dampen the headline ICI figure, limiting overall growth to 1.7% despite double-digit cement growth.

Key Facts & Data

ICI growth, April 2026: 1.7% (YoY); March 2026 (revised): 1.2%.
Steel production growth, April 2026: +6.2% YoY.
Cement output growth, April 2026: +9.4% YoY.
Electricity generation growth, April 2026: +4.1% YoY.
Coal production, April 2026: -8.7% YoY.
Fertilizer production, April 2026: -8.6% YoY.
Natural gas output, April 2026: -4.3% YoY.
Crude oil production, April 2026: -3.9% YoY.
Petroleum refinery products, April 2026: -0.5% YoY.
ICI combined weight in IIP: 40.27%.
ICI base year: 2011-12.
Released by: Office of the Economic Advisor, Ministry of Commerce and Industry.