Entire Rajasthan is in the grip of severe heat. Today Churu was the hottest place where mercury touched 46 degree Celsius. At Sri Ganganagar, maximum temperature was recorded at 45.8 and at Jaipur, it was 43.5 degree Celsius.AIR correspondent reports that due to severe heat, timings of MGNREGA works have been reduced and the district administration of Jaipur and Ajmer have ordered closure of all schools till the 8th of this month.