This Delhi Teen's ₹140 Innovation Turned Classroom Fans Into Air Purifiers, Helping 10,000 Schoolchildren Breathe Cleaner Air

News18 - Nov 10, 2026

Delhi teenager Krish Aggarwal's Project Vayu uses ₹140 filters to turn ordinary classroom fans into air purifiers, reaching more than 10,000 students and earning a 2026 Diana Award

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