Houses and buildings have been covered with a layer of snow in Lahaul-Spiti district of Himachal Pradesh. Heavy snowfall has occurred in Lahaul-Spiti, Kinnaur, Chamba and Kullu districts during the last 24 hours. 216 roads including 3 national highways are closed in the state. Electricity and water supply has been affected in some areas. This information has been given by the State Disaster Management Authority.