Nearly 90 trains were delayed due to fog here Friday, an official said.
The Northern Railway said 63 trains coming to Delhi and 27 leaving the national capital were rescheduled due to fog. An official said no train was cancelled.
The fog also hit flights but marginally. Two departures were delayed by more than 15 minutes but no flight was diverted or cancelled, another official said.
Visibility in Delhi at 8.30 a.m. was 200 meters, the India Meteorological Department said.