- India is considering major revisions to its GDP calculation methodology, including the adoption of the Producer Price Index (PPI) and double deflation techniques. - The Producer Price Index (PPI) tracks price changes from the perspective of producers/manufacturers rather than consumers, avoiding distortions caused by taxes, subsidies, and retail margins. - Double deflation involves separately deflating gross output and intermediate consumption using specific price indices to compute accurate real value addition. - These proposed methodological changes aim to align India's national accounts with global best practices, leading to more accurate macroeconomic and growth tracking. - **Double Deflation:** A statistical method used in GDP estimation where intermediate inputs and total output are deflated separately using specific price indices to measure real value addition accurately. - **Producer Price Index PPI:** An index measuring the average change in prices received by domestic producers for their output at the factory gate, excluding taxes and trade margins. - **Ministry of Statistics and Programme Implementation MoSPI:** The nodal ministry responsible for the collection, compilation, and dissemination of official macroeconomic statistics, including national accounts and GDP estimates in India. - **Reserve Bank of India:** India's central banking institution that controls monetary policy, regulates the banking system, and manages currency reserves and price stability. **Introduction** The article explains proposed changes in India's Gross Domestic Product (GDP) data revision methodology, focusing on the shift towards Producer Price Index (PPI) and the implementation of double deflation. These changes aim to improve the accuracy of measuring real value addition and economic growth by accounting for input costs separately from output values, aligning India with global standards. **Core Issue and Detailed Points** - India is considering major revisions to its GDP calculation methodology, including the adoption of the Producer Price Index (PPI) and double deflation techniques. - The Producer Price Index (PPI) tracks price changes from the perspective of producers/manufacturers rather than consumers, avoiding distortions caused by taxes, subsidies, and retail margins. - Double deflation involves separately deflating gross output and intermediate consumption using specific price indices to compute accurate real value addition. - These proposed methodological changes aim to align India's national accounts with global best practices, leading to more accurate macroeconomic and growth tracking. **Key Statutory Bodies, Acts & Concepts** - **Double Deflation:** A statistical method used in GDP estimation where intermediate inputs and total output are deflated separately using specific price indices to measure real value addition accurately. - **Producer Price Index PPI:** An index measuring the average change in prices received by domestic producers for their output at the factory gate, excluding taxes and trade margins. - **Ministry of Statistics and Programme Implementation MoSPI:** The nodal ministry responsible for the collection, compilation, and dissemination of official macroeconomic statistics, including national accounts and GDP estimates in India. - **Reserve Bank of India:** India's central banking institution that controls monetary policy, regulates the banking system, and manages currency reserves and price stability.