Business Standard | Editorial | May 29, 2026
The revised Index of Industrial Production (IIP) series with 2022-23 base year modernises the basket by adding renewable energy, electronics, rare earth minerals and waste management while dropping outdated items like kerosene and salt — a long-overdue update to reflect India’s industrial transformation. However, persistent weaknesses in data collection, informal sector coverage, digital reporting and the absence of a Producer Price Index (PPI) will limit credibility unless institutional reforms are pursued in tandem.
The Argument in One Line
A revised IIP basket is necessary but not sufficient — without parallel investment in real-time data infrastructure, informal sector coverage, and a long-overdue PPI, India will continue to measure a 2026 economy with 2012-era data quality.
What’s Changed in the New IIP
| Component | Old base (2011-12) | New base (2022-23) |
|---|---|---|
| Base year | 2011-12 | 2022-23 |
| Items / item groups in basket | 839 items / 407 item groups | 1,042 items / 463 item groups (expanded) |
| New additions | — | Renewable energy generation, electronics (smartphones, EVs), rare earth minerals, waste management, biofuels, digital services-linked manufacturing |
| Items dropped | Kerosene, salt-related items, outdated manufacturing | — |
| Sectoral weights | Mining 14.4%, Manufacturing 77.6%, Electricity 8.0% | Updated to reflect 2022-23 sectoral contribution |
| Reporting frequency | Monthly | Monthly |
| Reference week | Variable | Standardised |
| Geographic granularity | Limited | Improved state-level signals |
What the Revision Gets Right
1. Renewable Energy Inclusion
The previous IIP heavily weighted thermal/fossil power; the new series properly captures solar, wind, biogas, hydro generation — aligning industrial output statistics with the 500 GW non-fossil by 2030 (Glasgow CoP26 pledge) trajectory.
2. Electronics & Semiconductors
- Smartphones, components, PCBs.
- Semiconductor fab outputs (Tata Sanand, Tata-PSMC Dholera, Micron Sanand).
- EV powertrains, batteries.
- 5G/6G equipment.
The expansion aligns with the ₹76,000 crore India Semiconductor Mission (December 2021) and PLI for electronics.
3. Rare Earth Minerals
Critical for renewable energy, defence, EVs, electronics. Captures India’s emerging investments under the Critical Minerals Mission and KABIL (Khanij Bidesh India Ltd) acquisitions.
4. Waste Management
Reflects circular economy growth — scrap processing, recycling, e-waste management — captures a sector previously invisible to IIP.
5. Dropping Outdated Items
- Kerosene — phased out as PMUY (LPG) expanded.
- Salt — too granular for national index.
What the Revision Misses or Underweights
1. No Producer Price Index (PPI)
| Issue | Detail |
|---|---|
| India still uses Wholesale Price Index (WPI) as the de facto producer price proxy | WPI base year revision lags IIP base year revision |
| PPI is the international standard | Better captures inflation at the producer stage |
| PPI would deflate IIP nominal values more accurately | Improves real GDP/IIP convergence |
| India’s PPI | Saumitra Chaudhuri Working Group (2012) recommended PPI; experimental compilation since ~2017; not officially released as of May 2026 |
2. Informal Sector Coverage
- Informal sector = ~50%+ of industrial output but <20% of IIP coverage.
- Captured indirectly via Annual Survey of Industries (ASI) with 1-year lag.
- Real-time IIP misses MSME, household manufacturing, gig-economy production.
- Solution: Mobile-based MSME reporting; GSTN integration.
3. Digital Services-Linked Manufacturing
- EMS (electronic manufacturing services) linked to design in fabless companies.
- Quick commerce dark stores — manufacturing-adjacent but uncategorised.
- 3D printing / additive manufacturing — fast-growing, poorly captured.
4. Geographic Granularity
- India’s industrial geography is changing — Gujarat dominance, Tamil Nadu electronics rise, Haryana auto.
- IIP remains a national index; sub-national signals are imperfect.
5. Quality Adjustment
- Hedonic adjustment for tech goods (smartphones, EVs) — accounting for quality improvements at constant prices.
- India’s IIP does not consistently use hedonic methods, unlike OECD norms.
The Institutional Backdrop
Statistics Architecture
| Institution | Role |
|---|---|
| MoSPI (Ministry of Statistics & Programme Implementation) | Parent ministry |
| NSO (National Statistical Office) | Operational arm |
| CSO (Central Statistical Office) | Now merged into NSO |
| CMIE, Private analysts | Supplementary data |
| DPIIT | Industrial policy + ICI |
| Annual Survey of Industries (ASI) | Formal sector benchmark — significant lag |
| PLFS (Periodic Labour Force Survey) | Quarterly labour data |
Recent Reforms
| Year | Reform |
|---|---|
| 2015 | National Sample Survey Office (NSSO) becomes NSO |
| 2019 | National Statistical Commission (NSC) restructured |
| 2024 | Household Consumption Expenditure Survey (HCES) 2022-23 results released |
| 2024 | Annual Survey of Industries (ASI) 2022-23 published |
| 2026 | New IIP base year 2022-23 (Hindu BS editorial subject) |
| 2026 | New GDP series with 2022-23 base year |
The PPI Question — A Strong Sub-Argument
The editorial’s strongest specific recommendation is the operationalisation of the Producer Price Index. The Saumitra Chaudhuri Working Group, constituted in March 2012, recommended PPI; experimental compilation has been underway since ~2017 following the group’s recommendations — but it has not been officially released as of May 2026.
Why this matters:
- WPI captures wholesale traders’ margins, not producers’ realisations.
- CPI captures consumer prices including services.
- PPI fills the gap — first-stage manufacturing output prices.
- Most G20 economies use PPI as their primary industrial inflation gauge.
- For IIP real-value calculation, PPI-based deflators are more accurate than WPI-based.
Why PPI is Stalled
- Methodological disputes within MoSPI.
- Data collection challenges — manufacturers reluctant to share prices.
- WPI inertia — institutional path dependency.
- Political sensitivity — new inflation gauge could differ significantly from WPI/CPI.
What the Editorial Demands
| Demand | Substance |
|---|---|
| PPI release | Within 2026-27 — long overdue |
| Informal sector module | Real-time MSME reporting via GSTN |
| Digital reporting | Replace paper-based collection with portal-based submissions |
| Quality adjustment | Hedonic methods for tech goods |
| Sub-national IIP | State-level monthly indices |
| Data dictionary | Public, transparent classification |
| Independent statistical audit | CAG or third-party annual review |
International Comparison
| Country | Industrial Statistics Quality |
|---|---|
| USA (Federal Reserve Industrial Production Index) | Monthly; revised; deep historical series |
| EU (Eurostat IIP) | Member-state harmonised; monthly |
| China (NBS Industrial Production Index) | Monthly; quality concerns about granularity |
| UK (Office for National Statistics) | Monthly; PPI parallel |
| Brazil (IBGE) | Monthly; PPI complementary |
| India (NSO) | Monthly; no PPI; informal sector gap |
India is a top-5 economy but has measurement quality closer to mid-tier emerging markets — a strategic gap.
Why This Matters
- RBI monetary policy depends on quality industrial statistics — for inflation, output gap, capacity utilisation.
- Budget forecasting — fiscal projections rest on industrial momentum estimates.
- Investor confidence — global rating agencies (S&P, Fitch, Moody’s) scrutinise data quality.
- Industrial policy design — PLI, ISM, Make-in-India effectiveness measurement.
- State-level competition — better data enables better state policy.
Wider Significance
- Statistical sovereignty — economies of India’s scale need top-tier statistical infrastructure.
- Trust in numbers — robust IIP feeds robust GDP, CPI, exports/imports analysis.
- Reform credibility — base year revision is necessary but signals “first steps” not “completion”.
- Methodology vs measurement — both matter; both need investment.
Watchpoints
- Q1 FY27 IIP prints with new base — first stress test of revised methodology.
- PPI rollout — has been delayed for 9 years.
- Informal sector coverage — GSTN integration trajectory.
- State-level granularity — request from RBI Monetary Policy Committee.
- GSTN data integration with statistical infrastructure.
Way Forward
- PPI operationalisation — clear timeline, leadership.
- MSME real-time reporting — incentivised via GSTN.
- Hedonic quality adjustment — adopt OECD standards.
- Sub-national IIP — annual state-level publishing.
- Independent Statistical Authority — like UK’s UKSA.
- NSC strengthening — National Statistical Commission with greater autonomy.
UPSC Relevance
GS Paper 3 — Indian Economy:
- Indian Economy and issues relating to planning, mobilization of resources, growth, development.
- Government Budgeting.
- Inclusive growth.
Analytical hooks for Mains:
- IIP and PPI architecture — fiscal-monetary policy implications.
- Informal sector measurement — economic and policy significance.
- Statistical sovereignty in emerging economies.
Facts Corner
- IIP base year revision (May 2026): 2022-23 (from 2011-12).
- New IIP basket (2022-23): 1,042 items / 463 item groups (vs old 839 items / 407 item groups).
- Sectoral weights: Mining ~14%, Manufacturing ~78%, Electricity ~8%.
- Combined weight of ICI in IIP: 40.27%.
- Released by: NSO under MoSPI.
- PPI status: Saumitra Chaudhuri Working Group (2012) recommended PPI; experimental compilation since ~2017; not officially released as of May 2026.
- Annual Survey of Industries (ASI) 2022-23: published 2024.
- Renewables installed (May 2026): ~220+ GW; target 500 GW non-fossil by 2030 (Glasgow CoP26 pledge).
- India Semiconductor Mission: ₹76,000 crore, December 2021 Cabinet approval.
- WPI: Wholesale Price Index, base year 2011-12 — still used as producer-side inflation proxy.
Editorial source: Business Standard, May 29, 2026 | Cross-link: Daily May 29 — FY26 GDP estimates new base year 2022-23
Source: Measuring Change: New IIP Broadens Scope, But Data Gaps Remain — Ujiyari.com | Free UPSC & State PCS Editorial Analysis
