Heavy snowfall on peaks around Kullu, Kinnaur and Chamba districts of Himachal has triggered a fresh wave of cold in lower regions of the state forcing people to wear the woollens on Wednesday. Till last reports, Rohtang pass received 10 cm fresh snow while Kugti jot in Chamba, Reo Pargil, Kinner-Kailash ranges in Kinnaur, Deo