Heat wave to continue in Delhi-NCR till May 27: Met Dept 
The India Meteorological Department (IMD) scientists have said the heat wave is likely to continue across Delhi-NCR till May 27, advising people to stay indoors for the period. The IMD declares a heat wave when the temperature rises at least 5 Â°C above the normalâ 40Â°C in the plains and 30Â°C in the hills.