Delhi student, Krish Aggarwal, wins 2026 Diana Award for low-cost filter that turns ordinary fans into air purifiers

A student at Delhi’s Sanskriti School, Krish Aggarwal co-founded Project Vayu with Samarth Meattle to convert ordinary classroom fans into air purifiers. The initiative has reportedly reached more than 10,000 students across underprivileged schools in Delhi.
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