Monsoon has advanced to parts of north India bringing heavy rain which led to a significant drop in temperature and gave respite to people from hot and humid conditions. After a delay of over a fortnight, the south-west monsoon descended over parts of Rajasthan, Haryana and Chandigarh while the seasonal phenomenon is expected to hit the national capital in the next couple of days. However, pre-monsoon showers continued to lash Delhi throughout the Sunday night.<br/> Monsoon rains lashed Udaipur, Kota, Jhalawar and Bharatpur in Rajasthan. However, it is yet to progress to north-west regions of Jodhpur, Barmer, Jaislamer, Bikaner, Churu and Sikar where the hot conditions prevailed. In Madhya Pradesh, the south west monsoon has covered almost the entire state except northern tip of Gwalior division and some parts of Rewa division. AIR Bhopal correspondent reports lightening claimed ten lives in different parts of the state. <br/>Heavy rains also lashed mid and lower areas of Himachal Pradesh that led to fall in temperature. However the upper areas were comparatively warmer.<br/><br/>