The history of Solan District Police is assumed from the day, the district was formed. Solan district came into existence on 1st September, 1972 when after the re-organisation of Mahasu district some areas of Mahasu district were merged with Shimla and others formed the new district of Solan. This district is situated in the southern part of Himachal Pradesh and shares its borders with the states of Haryana and Punjab. The district is surrounded by district Sirmour in the south, Bilaspur in the North, Shimla in the East and Kalka of Haryana in the south-west sides. The total area of the district is 1936 Sq. Kms, and it has a population of 3,39,319 souls according to 2011 census. This district is divided into 4 Revenue Sub-Divisions viz. Solan, Nalagarh, Kandaghat and Arki.