There was a time when India did not measure its success in quarterly numbers. It measured itself in knowledge, trust, shared prosperity, and moral order. Long-run economic reconstructions — most prominently those of Angus Maddison and the ongoing Maddison Project — suggest that around 1 CE, India accounted for roughly 30% of global output, and that for many centuries thereafter, it remained above 20% of world GDP. By 1700, India was still one of the two largest economic powers on earth. By 1950, after centuries of conquest, extraction, and structural disruption, that share had fallen to around 4% of global GDP. History’s wheel had turned. But history is not destiny.

Today, India stands at another inflection point. For the first time since the Industrial Revolution, technology offers a lever that can compress centuries of coordination into decades. Artificial intelligence, combined with India’s world-leading Digital Public Infrastructure (DPI), gives us the opportunity to not merely grow but also reclaim the civilisational scale. The question is not whether India can grow to $5 trillion or $10 trillion. The real question is whether India can rediscover the operating model that once made it central to the world economy — and update it for the AI age.

What made high India high?

It is tempting to attribute India’s historical economic weight simply to population. That explanation is insufficient. Large populations do not automatically produce global manufacturing leadership, educational magnets like Nalanda, or sophisticated Indian Ocean trade networks stretching from Southeast Asia to the Middle East. What ancient India possessed was an operating model built on five pillars.

1. Trust as Infrastructure: Commerce flourishes when transaction costs are low. In pre-modern India, trust — anchored in dharma, guild codes, and community reputation — reduced friction. Contracts were not merely legal documents; they were moral commitments. In modern economic language, India possessed deep social capital.

2. Guilds as Proto-Institutions: The ancient śreṇi (guilds)........

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