Core upgrade: On the Index of Core Industries

📌 Summary:

• Context: The Index of Core Industries (ICI) has been updated to a new series with an updated base year, an additional sector, and revised weights and methodologies, joining earlier 2026 updates to national accounts, CPI, WPI and IIP
• Why it matters: Core industries are a vital barometer of the economy; the upgrade makes the index more representative
• Key changes: Sectors rose from 8 to 9 with the inclusion of iron ore; steel and coal measurement improved to remove earlier double-counting; coal and natural gas weights nearly halved (to ~5.6% and ~3.8%); electricity's weight rose to over 30% (from under 20%), reflecting the rising share of renewables and surging power demand
• Key data: June 2026 ICI grew 5% (a five-month high), but iron ore (+43.9%) and electricity (+9.8%) gains were partly a statistical base effect (both had contracted in June 2025)
• Systemic issue flagged: Crude oil and natural gas have contracted continuously for 18 and 24 months respectively — a concern if India has these resources but cannot extract them economically
• Recommendation: The update was a missed opportunity for broader statistical reorganisation; ICI (with MoSPI already handling CPI and IIP) should be brought under a unified statistical framework

🎯 UPSC Relevance: GS3 Economy — economic indicators, industrial performance, statistical governance and data reliability.

📝 Prelims Facts:

• ICI now covers 9 core sectors after adding iron ore (earlier 8)
• Electricity now has the highest weight (>30%) in the index
• Coal and natural gas weights fell to ~5.6% and ~3.8%
• June 2026 ICI growth: 5% (five-month high); iron ore +43.9%, electricity +9.8% (base effect)

🔑 Key Term: Index of Core Industries — a monthly index measuring output of key infrastructure/core sectors (now nine, including iron ore), a lead indicator feeding into the IIP.