The Regional Meteorological Centre forecast the heat wave would continue and said a change in the weather conditions was unlikely in the next 24 hours.
The state administration has also taken steps to tackle increasing number of people falling ill due to heat wave. "Keeping in mind the intense heat wave which might result in casualties, we have arranged for additional beds and generators in the hospitals," District Magistrate OS Meena told Indo-Asian News Service.
Some areas of Purulia district are facing shortage of drinking water while civic authorities of Purulia, Raghunathpur and Jhalda towns have been supplying it once in a day instead of twice. "Drinking water tankers are also being placed in various parts and schools have been asked to extend the summer holidays," he added.
Officials said at least 32 people have died of heatwave in three districts of southern Bengal in the past two days.
"We have received reports of 16 unnatural deaths from various hospitals in the Burdwan district on Tuesday," he said.
While Hooghly reported three such deaths, four people succumbed to the heat in Jhargram in West Midnapore. Two deaths due to intense heat were reported from Howrah and Kolkata, district sources said.
Officials of several other district administrations have taken similar precautionary steps.
While the mercury touched 40.2 degrees Celsius in Kolkata - five degrees above normal - the temperature rose even higher in the other parts of South Bengal.