Several parts across Delhi-NCR witnessed a power black following heavy rain and strong wind, that uprooted trees on early Monday morning. Between 5:40 am till 7 am, the temperature in the city fell by 11 degrees Celsius, according to the India Meteorological Department (IMD).?Trees got uprooted in some parts of the national capital and traffic snarls were reported in various stretches, including ITO, DND and near AIIMS, on the first working day of the week.