Many parts of the national capital and key road stretches remained flooded as rains continued to drench the city on Thursday, triggering traffic snarls during morning rush hours.
The India Meteorological Department has warned of heavy rains in the city on Thursday as well.
The downpour may lead to "major traffic disruption" due to heavy water logging and there is an "increased chance" of road accidents, it warned.
The Safdarjung Observatory, which provides representative figures for the city, recorded 46 mm rainfall between 8:30 am on Wednesday and 8:30 am on Thursday.
On an average, the city gauges 11.3 mm rainfall from 8:30 am