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Byju Raveendran, the A Student in Online Ed

Byju’s, his online education app, had 73 million users in October, up from more than 40 million in January.

Raveendran

Photographer: Paul Yeung/Bloomberg

Coronavirus lockdowns sent India’s economy into its first contraction in decades, but for a few entrepreneurs the crisis has also meant opportunity: Revenue for Byju’s is expected to double, to more than $1 billion, in the fiscal year ending next March.

The app’s lessons include everything from drawing for kindergartners to quantum physics for high school seniors. Raveendran introduced it in 2015 to connect teachers in India with students just as affordable smartphones and cheap wireless data gave many of the country’s 250 million school-age children access to technology.