India, May 21 -- The Delhi-NCR, which is already grappling with intense heat, may have to prepare for even harsher days, with temperatures expected to soar and no immediate relief in sight.

As the heatwave continues to worsen, the India Meteorological Department (IMD) has issued an "orange" alert for Delhi, Ghaziabad, Noida and Gurugram.

The maximum temperature is expected to remain above 45 degrees Celsius on Thursday. The colour-coded alert for extreme heat and "loo" conditions remains active across Delhi-NCR, according to the weather department.

The Met office has forecast heatwave conditions in the national capital until May 26. According to the seven-day forecast issued by the IMD, Delhi is likely to witness "strong surface winds ...