Jaipur/ New Delhi, Dec 23 (ANI): Intense cold conditions coupled with fog paralysed normal life in northern India on Tuesday as mercury dipped further due to snowfall and rainfall in upper regions. In Rajasthan, people sat around bonfires to keep themselves warm. Inclement weather condition has aggravated problems of daily wage labourers and homeless people. In capital New Delhi, trains were running behind scheduled time due to fog. The maximum temperature recorded was 15 degrees Celsius and minimum around seven degrees. Passengers said they had to sleep at railway station as the trains were getting delayed by several hours. Located in the tropics, most of India witnesses a very hot summer and a largely temperate winter.