Article 1: The CPI base revision exercise measures a slice of life
Why in news: India’s CPI base year is being revised from 2012 to 2024, with updated weights and methodology based on the latest consumption survey by the Ministry of Statistics and Programme Implementation, to better reflect current spending patterns and improve inflation measurement accuracy.
Key Details
- CPI measures inflation by tracking price changes in goods and services commonly consumed by households, reflecting real-life expenses like food, rent, and fuel.
- It is the key indicator for monetary policy, guiding the Reserve Bank of India in decisions on interest rates and inflation control.
- India is revising the CPI base year from 2012 to 2024 to capture changing consumption patterns due to urbanisation, digitalisation, and growth in services.
- The new series uses the Household Consumption Expenditure Survey 2023–24, updating the consumption basket and weightage to reflect current spending trends.
- The Ministry of Statistics and Programme Implementation (MoSPI) has modernised data collection (including online prices and official records) to improve accuracy, transparency, and global comparability.
Inflation and the Role of CPI
- Inflation is one of the most closely monitored macroeconomic indicators, directly impacting everyday household expenses.
- The Consumer Price Index (CPI) converts daily price changes of commonly used goods and services into an official measure of inflation.
- For ordinary citizens, CPI reflects the changing cost of essentials like food, rent, fuel, and utilities.
More Than Just a Number
- CPI is not merely a statistic; it influences income revisions, dearness allowance, and social security adjustments.
- It serves as the primary inflation indicator for the Reserve Bank of India, guiding decisions on interest rates and monetary policy.
- When CPI accurately reflects reality, policymaking becomes more responsive to people’s lived experiences.
Need for Base Year Revision (2012–2024)
- Inflation is not only about rising prices but about their impact on household budgets.
- India is updating its CPI base year from 2012 to 2024 to reflect evolving consumption patterns.
- Since 2012, there have been major shifts due to:
- Rapid urbanisation
- Expansion of the services sector
- Growth of digital platforms and online shopping
- Diversification of household spending
Updated Consumption Basket and Weights
- The new CPI series is based on the Household Consumption Expenditure Survey 2023–24.
- Weightage of items has been revised:
- Higher weight to goods/services with increased spending.
- Lower weight to items with reduced spending share.
- Greater emphasis on services and lifestyle-related expenditure, reflecting rising incomes and changing preferences.
Improved Methodology and Global Alignment
- The revised CPI aligns more closely with international statistical standards, while preserving India-specific features.
- This enables better global comparison of inflation trends.
- Ensures India’s inflation data fits into the global context without ignoring domestic realities.
Modernised Data Collection
- Introduction of online price tracking (e.g., telecom services, airfares).
- Continued use of traditional market surveys for essentials like food.
- Adoption of computer-assisted price collection, reducing manual errors and improving real-time verification.
- Enhanced accuracy, quality, and timeliness of inflation data.
Wider and More Reliable Data Sources
- Increased reliance on official administrative data such as:
- Rail fares
- Postal charges
- Fuel prices
- Public Distribution System (PDS) prices
- Integration of survey data, government records, and digital sources improves reliability and reduces bias.
Institutional and Expert Involvement
- The base revision involves coordination among field offices, statistical bodies, and expert groups.
- The Ministry of Statistics and Programme Implementation (MoSPI) has consulted economists, domain specialists, and international organisations.
- Focus on transparency, methodological soundness, and clarity.
Continuity with Core Purpose
- Despite updates in basket, weights, and methodology, CPI retains its primary goal — measuring price changes from a household’s perspective.
- Ensures comparability over time while remaining relevant to present realities.
Conclusion
The revised Consumer Price Index (CPI) ensures that India’s inflation measurement reflects current consumption patterns, evolving lifestyles, and digital spending trends. By updating the base year to 2024, the Ministry of Statistics and Programme Implementation (MoSPI) has strengthened accuracy, transparency, and policy relevance, enabling better monetary decisions and protecting household purchasing power across the country.
EXPECTED QUESTION FOR PRELIMS:
Consider the following statements regarding the Consumer Price Index (CPI) in India:
- The CPI is used by the Reserve Bank of India as the primary indicator for monetary policy decisions.
- The CPI base year has been revised from 2012 to 2024 to reflect changing consumption patterns.
- The CPI measures only food price inflation.
Which of the statements given above is/are correct?
- 1 and 2 only
- 2 and 3 only
- 1 and 3 only
- 1, 2 and 3
Answer: a