Get latest articles and stories on India at LatestLY. On the basis of the technology developed by the University of Minnesota, a pilot project was started by IIT Bombay, IIT Delhi and DPCC last year after October rains at Delhi Government's Baba Kharag Singh road smog tower. India News | Study Shows Delhi Govt's Smog Tower Reducing Air Pollution by 70-80 Pc Up to 50 Metres.