DC Uttam Singh says only NEERI-certified crackers can be sold and used, complete ban will resume from November. Gurugram:The Gurugram police formed 25 teams on Wednesday to inspect the city and curb the sale and storage of illegal firecrackers ahead of Diwali celebrations, officials. Gurugram police seized 586 kg of illegal firecrackers in Badshahpur ahead of Diwali and arrested a shopkeeper.