UPSC Notes

Inflation Measurement and Price Indices in India

PYQs

8

Articles

1

Momentum

21

Phase IFoundation

Background

Overview

Understanding the different types of price indices, their methodologies, recent updates, and their implications for monetary policy (RBI's focus on CPI) and overall economic stability is fundamental.

Inflation measurement in India relies on various price indices, primarily the Consumer Price Index (CPI) for retail inflation and the Wholesale Price Index (WPI) for wholesale price changes. These indices track price movements of a basket of goods and services, providing crucial data for monetary policy decisions, economic analysis, and understanding purchasing power.

Phase IIStatic core

Facts & tables

Key facts

CPI Updates

CPI base year updated to 2024, with a more inclusive basket and accurate weightages.

WPI Updates

WPI series updated, contributing to a more accurate GDP deflator.

Introduction of PPI

New Producer Price Index (PPI) introduced, intended to replace WPI in five years.

PPI Significance

PPI is standard in developed economies, providing producer-level price information for goods and services.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaIndian Economy

Reference table

Institutions & roles

BodyRole
Reserve Bank of India (RBI)Uses
Ministry of Commerce and IndustryImplements
Ministry of Statistics and Programme Implementation (MoSPI)Implements
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Multi-statement analysis

Prelims angle: Conceptual understanding

Quick revision

  • CPI base year 2024, improved basket.
  • WPI series updated.
  • PPI introduced, to replace WPI.
  • CPI crucial for RBI's monetary policy.
  • MoSPI (CPI) and Ministry of Commerce (WPI, PPI) are key agencies.

High-confidence PYQs

Topic timeline

Indian Economy

Essential upgrades: On upgrades to India’s statistical databases

19 Jun 2026 · India has updated its key price indices: CPI (base year 2024, improved basket), WPI (new series), and introduced a PPI to eventually replace WPI. These changes aim for more realistic inflation readings, better GDP deflator calculation, and alignment with international standards.

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Current topic

Inflation Measurement and Price Indices in India

Practice writing on this topic

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