The Delhi Metro, often lauded as the lifeline of the National Capital Region (NCR), faced a major operational crisis on Friday, August 29, 2025, when its crucial Yellow Line was significantly disrupted. The incident, which coincided with heavy rainfall across Delhi, caused widespread inconvenience and delays for thousands of commuters during the morning peak hours. This detailed report examines the specifics of the event, its ripple effects on the city’s transport system, and the response from the Delhi Metro Rail Corporation (DMRC).