CURRENT AFFAIRS | MARCH 2026
Prelims: CPI base year change, COICOP structure, new CPI weights, items added/removed
Mains: GS-III — Indian Economy: inflation measurement, monetary policy, consumer price dynamics
Judicial Services Relevance: RBI monetary policy framework under Article 246 (Concurrent List), Essential Commodities Act linkage to price regulation, consumer price as judicial reference in maintenance/compensation cases
CPI Base Year Revision: From 2012 to 2024
The Ministry of Statistics and Programme Implementation (MoSPI) has revised the Consumer Price Index (CPI) base year from 2012 to 2024, a significant methodological overhaul that impacts inflation measurement, monetary policy calibration, and economic decision-making across government and judicial spheres.
Under the new base year, January inflation was recorded at 2.75%, providing a more accurate reflection of current consumption patterns and price dynamics in the Indian economy.
• Old base year: 2012 | New base year: 2024
• January inflation: 2.75% (new series)
• Total items: 358 (up from 299)
• New additions: Airpods and similar modern consumer electronics
• Removed: Audio cassettes and outdated categories
• First-time inclusion: Rural house rent
COICOP 2018: A Global Classification Framework
The revised CPI adopts the Classification of Individual Consumption by Purpose (COICOP) 2018 framework, a United Nations statistical classification system that provides global comparability and granular consumption tracking.
– 12 divisions (broadest category)
– 43 groups
– 92 classes
– 162 subclasses
– 358 items (finest granularity)
– Classification is usage-based rather than product-based, enabling better tracking of actual consumer behavior
New CPI Weightage Distribution
The revised weightage distribution reflects evolving consumption patterns in India, with notable shifts from the 2012 series:
- Food & Beverages — 36.75% (largest category, reflecting ongoing food price sensitivity)
- Housing — 17.87% (second largest, first time rural housing rent is captured)
- Transport & Communication — 8.80%
- Clothing & Footwear — 6.38%
- Health — 6.10%
The key benefits of the new system include global comparability with other COICOP-adopting nations, greater granularity in tracking price movements, and a usage-based classification that better reflects how Indians actually spend their income.
F — Food: 36.75% (largest)
H — Housing: 17.87%
T — Transport: 8.80%
C — Clothing: 6.38%
H — Health: 6.10%
Legal and Judicial Implications of CPI Revision
The CPI revision carries significant implications for the judicial system, particularly in areas where consumer prices serve as a reference metric:
- Maintenance calculations — Under Section 125 CrPC (now BNSS Section 144), courts frequently reference CPI data to adjust maintenance amounts for inflation
- Compensation awards — Motor Accidents Claims Tribunals and Labour Courts use CPI-linked formulas for calculating just compensation
- Dearness Allowance revisions — Government employee DA is linked to CPI-IW (Industrial Workers), impacting service law litigation
- Essential Commodities Act — Price control orders under this Act reference CPI data for determining “essential” commodity pricing thresholds
• RBI monetary policy framework — Inflation targeting under the RBI Act, 1934 (as amended in 2016); CPI is the anchor for the 4% +/- 2% target
• Article 246 (Concurrent List) — Price control and statistics fall under concurrent jurisdiction, enabling both Centre and state legislation
• Essential Commodities Act, 1955 — Section 3 empowers the Central Government to control production, supply, and distribution based on price data
• Judicial precedent: In Peerless General Finance v. RBI (1992), the Supreme Court upheld RBI’s regulatory authority over financial instruments — relevant to CPI-linked monetary decisions
• For PCS-J: CPI data frequently referenced in matrimonial maintenance enhancement petitions
Source: UPSC Essentials, The Indian Express — March 2026
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