IMF raises questions over methodology to calculate GDP growth in India

IMF also said there were weaknesses in the deflation method used to derive value added. Deflators are used to convert GDP at current prices to constant prices

The International Monetary Fund (IMF) has raised questions over some part of the methodology to calculate gross domestic product (GDP) numbers in India. It said large revisions to historical series, the relatively short time span of the revised series, and major discrepancies between GDP by activity and GDP by expenditure complicate analysis.

There was a major controversy over the back series data on the base year of 2011-12. A committee set up by the National Statistical Commission (NSC) came out with its recommendations on the back series, which showed double-digit growth in some years of the UPA government. The recommendations