https://tlp.iasbaba.com/2019/09/day-8-q-3-what-are-the-main-factors-causing-serious-levels-of-air-pollution-in-the-ncr-what-are-the-long-term-measures-to-address-this-problem-suggest/
Day 8 - Q 3.What are the main factors causing serious levels of air-pollution in the NCR? What are the long term measures to address this problem? Suggest.