Understanding the Debate Surrounding India’s 7.8% GDP Growth

India’s GDP growth has surged to 7.8%, surpassing all expectations amid geopolitical tensions, including the ongoing US-Iran conflict. This figure has sparked controversy, with opposition parties and some economists questioning the validity of the new calculation methodologies. Critics, including former finance secretary Subhash Chandra Garg, have raised concerns about the downward revisions of GDP data from previous quarters, suggesting that the current growth rate may be overstated.

Revisions to GDP Data Spark Debate

The debate intensified following the government’s revision of the base year for GDP calculations from 2011-2012 to 2022-23 earlier this year. This change has led to significant adjustments in GDP figures for prior quarters. Garg contends that had the previous year’s GDP not been revised downwards, the current growth rate would appear much lower, estimating a nominal GDP growth of only 2.6% with real growth close to zero.

The government has defended its revisions, stating they are based on improved methodologies and updated data sources. Officials argue that the old GDP figures cannot be directly compared with the new estimates due to the differences in the calculation series. For instance, the current Q1 FY27 GDP of Rs 88.27 lakh crore should be compared with the corresponding Q1 FY26 estimate under the new series, which is Rs 80.44 lakh crore.

Methodological Changes and Their Implications

The revisions have been attributed to several factors, including a change in base year, enhanced methodologies, and the incorporation of new indicators. The government asserts that the new GDP computation methods align more closely with international practices. Economists have pointed out that comparing the old and new methodologies is misleading due to the significant improvements in data collection and analysis.

Soumya Kanti Ghosh, a member of the 16th Finance Commission, criticized attempts to compare the current nominal GDP with the previous base without adjusting for the new series. He emphasized that a more accurate comparison would yield a growth rate of 9.7% instead of the claimed 10.3%. Additionally, the new methodology has introduced changes in the relative weights of output sectors and demand segments, reflecting a more accurate economic picture.

Questions Surrounding the GDP Deflator

Another contentious issue is the GDP deflator, which currently stands at 2.5%, despite higher inflation rates indicated by the Consumer Price Index (CPI) and Wholesale Price Index (WPI). The government clarified that these indicators measure different aspects of the economy and should not be directly compared. The GDP deflator encompasses a broader range of economic activities, including government spending and services.

Madan Sabnavis, Chief Economist at Bank of Baroda, explained that the GDP deflator is derived from nominal and real GDP calculations and does not follow the same trends as CPI or WPI. The methodology for estimating implicit price deflators has also evolved, with the introduction of double deflation for certain sectors, allowing for a more nuanced understanding of price movements.

Manufacturing Sector’s Negative Inflation

Concerns have also been raised regarding the negative inflation reported in the manufacturing sector. While real Gross Value Added (GVA) in manufacturing grew by 9.2%, nominal GVA increased by only 7.7%, resulting in a negative implicit GVA deflator of -1.5%. The government clarified that this does not imply a decrease in manufacturing prices but rather reflects the complex interplay of input and output prices.

Experts suggest that companies have been slow to pass on rising input costs to consumers, contributing to this phenomenon. The reluctance to fully transfer these costs may be a strategic decision influenced by recent spikes in commodity prices due to global events, including the US-Iran conflict.

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