"A court of inquiry has been constituted, to ascertain the cause of the accident," the IAF said in its X post.
Churu was followed by Sriganganagar at 48.5 degrees Celsius, Bikaner 47.4 degrees Celsius, Kota 47.3 degrees Celsius and Jaipur at 46.3 degrees Celsius, the weather office said.
Farmers in the district have started hitting the fields at 4 am, when the temperature is a little over 35 degrees Celsius
The northern states continued to shiver as the mercury dipped to near freezing point in some parts, while the weather department has predicted "cold to severe cold wave" in the days ahead, peaking on Sunday.