The very high temperatures in Andhra Pradesh and Telangana states have soared to 48 degrees Celsius last Saturday. The heat has killed 100 people in the former and 130 in the latter.
In Telangana’s Khammam district, more than 16 people have died from the high heat.
Officials have issued a health warning that people must not go outside at midday to avoid sunstroke due to high temperatures and blistering winds. They have advised people to drink lots of water.
Top state official Bhambal Ram Meena said the local governments are urging all the necessary precautions and advising people to consumer liquid whenever they can.
In Telangana, towns and city exterior were deserted.
High temperatures for India may continue for at least another week. Once the approaching monsoon rains approach, the temperature is likely to cool down.
By Monday, officials report a total of 500 deaths for both states
Temperatures in the area had risen by 47-48 degrees Celsius in the last few weeks.