According to the Newspaper,We will have to ensure monitoring and vigilance throughout this period, to prevent a repeat of November, 2016, smog," said Bhure Lal, a former bureaucrat who heads the Authority. Besides, the corporations have also been told to form vigilance teams to conduct intensive patrolling in their respective areas and submit reports of the same with the authorities concerned as well as with the EPCA. Delhi Environment Secretary Keshav Chandra, who attended the meeting, said fire from landfill sites, fireworks during Diwali, and burning of garbage were the major factors that contributed to a spike in pollution levels during winter. The environment body made it clear that no fireworks should be coming to Delhi from the NCR. Besides the NCR areas including Gurgaon and Faridabad, which do not have an organised garbage collection system , to have a mechanism of proper collection and disposal of waste by December. According to the GRAP, measures under the 'severe' and 'emergency' categories include stopping heavy goods vehicles (except those with essential commodities) from entering the city. The Transport Department and the Traffic Police will be responsible for identifying alternative routes for these vehicles. Also, the corporations and government agencies will be tasked to identify construction sites across the city.