Maximum temperatures breached the 49 degrees Celsius mark at two weather observatories in Delhi on Sunday, amid warnings of an intense heatwave in the national capital. Mungeshpur and Najafgarh observatories recorded 49.2 degrees Celsius and 49.1 degrees Celsius respectively. Gurugram, meanwhile, recorded a maximum temperature of 48.1 degrees Celsius. IMD has issued an orange alert for Delhi.