Summary:
Kolkata: The West Bengal Pollution Control Board (WBPCB) has asked for 'proof of concept' from a start-up company that has come up with a device which they claim will improve ambient air quality in the city. The start-up team made a demonstration of the technology before senior officials including scientists of WBPCB on Monday. "We are happy with the efforts of the young team in trying to address the issue of ambient air quality. We have asked them to give us a proof of concept which involves a practical demonstration of the device in reducing the ambient air quality. Readings at all the air quality monitoring stations in the city during winter have witnessed improved air quality index in January in comparison to January last year..