This case study gives an overview of the critical condition of the air pollution in Newdelhi in 2015 as well 2017.it discusses the causes, major pollutants, effects and the government measures to control the air pollution levels . One of the government measures was the odd even formula, a plan to restrict private cars on the Delhi roads. This case also explains the details, strategies and regulations with respect to the formula and highlights the mixed reviews on its working of such incidents.