How did firecracker ban affect Delhi pollution, SC asks CPCB

The Supreme Court on Friday asked the Central Pollution Control Board about the difference ban on the sale of firecrackers made on pollution in Delhi-NCR. The court asked CPCB to file its report to know whether pollution in the region decreased post the ban. The apex court had banned firecrackers sale in Delhi-NCR from October 9 to November 1, 2017.