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Turning Smoke into Ink: IIT-D Innovator’s Chakr Shield Redefines Pollution Control

Swarnadwip Nath Published Dec 22, 2025, 04:31 AM Updated Sep 16, 2026, 10:08 PM

Chakr Innovation, founded by IIT Delhi alumni, has developed Chakr Shield, India’s first CPCB-approved retrofit emission control device. The technology captures harmful diesel generator emissions and transforms them into usable ink and paints. With over 5,000 installations nationwide, the startup is reshaping clean-tech solutions while generating ₹125 crore revenue in FY24.