Delhi teen's low-cost fan air purifiers reach 10,000 students, earn Diana Award
Delhi teenager Krish Aggarwal has co-founded Project Vayu, a initiative targeting air pollution in classrooms. The project retrofits ordinary fans with inexpensive filters costing roughly ₹140 each. More than 10,000 students in underprivileged schools have already benefited from the setup. The initiative earned a place on the 2026 Diana Award Roll of Honour. Its organizers say they plan to expand so that clean air reaches every child.
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