August 17 2018 Print Coverage – Filters on roads, bus rooftops to clean air Dainik Bhaskar, all editions, Pariyayantra, August 12 Filters on roads, bus rooftops to clean air – Hindustan TImes – Delhi, 2018-08-28 Filters on roads, bus rooftops to clean air – The Times Of India – Delhi, 2018-08-28 Navbharat Times,Filters on roads, bus rooftops to clean air, August 28 Dainik Jagran,Filters on roads, bus rooftops to clean air, August 28 Amar ujala,Filters on roads, bus rooftops to clean air, August 28 Online Links Times of India India Today Hindustan Times Dainik Jagran