B'luru Student's Innovation Filters Soot From 1 Crore Litres of Polluted Air In a Day!InnovationBy Sayantani Nath18 Mar 2020 17:00 IST"I began having nasal irritation and breathing issues if I was on the road for some time. I realised that I was breathing in huge amounts of soot unknowingly." #AirPollutionRead More