The Delhi Fire Service (DFS) received over 300 calls about fire-related incidents on Diwali, but no life-threatening cases were reported. Director Atul Garg noted that 192 calls were logged from 5 PM to midnight, followed by 158 from midnight to 6 AM. Minor incidents occurred, including injuries in Vikaspuri and Mangolpuri. A DTC bus blast involving potash injured 2 people, prompting fire tenders to respond.