Record heat seared parts of the Indian capital for a second day on Wednesday, reaching a temperature of 52.3 degrees Celsius (126.14 degrees Fahrenheit), while an unprecedented heat wave continued to parch some northwestern regions.
The unusually high summer temperatures have brought “heat wave to severe heat wave” conditions over the last few days, weather officials said, but added they were likely to ease from Thursday over northwest and central India.
Asia has sweltered in a hotter summer this year – a trend scientists say has been worsened by human-driven climate change.
India declares a heat wave when the maximum temperature is 4.5 degrees C to 6.4 degrees C higher than usual and a severe heat wave when it is 6.5 degrees C higher than normal or more.
Local government authorities have set curbs on water supply, citing a shortage, and imposed a fine of 2,000 rupees ($24) on those wasting water, such as by washing cars.
The federally-appointed lieutenant governor called for water to be handed out at construction sites and measures to shade their workers from the heat, while urging paid time-off from noon to 3 p.m., when temperatures peak, media said.
Three deaths were blamed on heat stroke on Tuesday in Jaipur in India’s western desert state of Rajasthan, media said, taking the toll to four in the city and at least 13 in the state.
Rising temperatures prompted India’s election body to make additional arrangements when Delhi voted in general elections last week, such as posting paramedics at polling stations.