This week, on Tuesday, India announced a sweeping overhaul of how it calculates GDP, fixing a measurement system the IMF had flagged as outdated just last November. It includes a new base year, better price data, and a wider net to count the informal economy. The number seems to be getting closer to reality.

But that raises a harder question.

For a country that has built its global identity around being the world's fastest growing major economy, what happens when the arithmetic changes? And does any of it actually reach 1.4 billion people?

Host Snigdha Sharma explores.

Tune in.

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