Arpit Dhupar, co-founder of Chakr Innovations, alongside a device in Gurgaon that can be retrofitted to diesel generators and capture 90 per cent of particulate matter emitted. Photo: AFP

Indian innovators pumping ‘alpine air’ into office buildings to combat Delhi’s smog problem

Delhi chokes every winter as cool air traps a toxic blend of pollutants from crop burning, car exhausts, open fires, construction dust and industrial emissions

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Arpit Dhupar, co-founder of Chakr Innovations, alongside a device in Gurgaon that can be retrofitted to diesel generators and capture 90 per cent of particulate matter emitted. Photo: AFP
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