The worst-hit have been Odisha, Telangana and Andhra Pradesh along with parts of Maharashtra, Chhattisgarh, Madhya Pradesh and Jharkhand.
Severe heat wave conditions are likely to prevail over isolated places in several districts of Telangana for the next four days, according to the IMD.
Hospital sources said the acharya would be moved to the general ward by evening," said a Kanchi Mutt official.
Large swathes of the country continue to reel under a heat wave that has already claimed more than 150 lives, almost half of them in Odisha.
That prediction has come true with an intensity that has turned much of the country into an inferno.
In the hottest April on record, the mercury has already gone past the 47 degree Celsius mark in Odisha’s Titlagarh.
Last month, in its first ever summer forecast, the India Meteorological Department (IMD) predicted that temperatures between April and June were going to be warmer than usual.
It had also said that above normal heat wave conditions would be seen in central and northwest India.