At least 177 roads, including three national highways, were closed in Himachal Pradesh due to snowfall.About 174 roads and three national highways remained closed, and tourists stranded near the Atal Tunnel were rescued.Snowfall was recorded in several districts, including Kinnaur, Lahaul and Spiti, and higher reaches of Shimla, Kullu, Mandi, Chamba and Sirmaur.The snowfall resulted in increased hotel occupancy in Shimla and is expected to boost tourism.