Solan district is one of the twelve districts of the Himachal Pradesh state in northern India. The city of Solan is the administrative headquarters of the district. The district occupies an area of 1936 km2. History The territory of the present-day district comprises the territories of the erstwhile princely states of Baghal, Baghat, Kunihar, Kuthar, Mangal, Beja, Mahlog, Nalagarh and parts of Keonthal and Koti and hilly areas of the erstwhile Punjab State which were merged with Himachal Pradesh on 1 November 1966. This district came into existence on 1 September 1972. The district was carved out by amalgamating Solan and Arki tehsils of the erstwhile Mahasu district and Kandaghat and Nalagarh tehsils of the erstwhile PEPSU. The name of the district as well as its headquarters comes from Mata Shoolini Devi. It's said that she saved Solan from being destroyed. District administration and Central Government offices Legislative Assembly constituencies The district comprises five Vidhan Sabha constituencies: Arki, Nalagarh, Doon, Solan and Kasauli. All of these are part of Shimla (Lok Sabha constituency). |} Divisions The district is divided into four sub-divisions: Solan, comprises Solan and Kasauli tehsils, Nalagarh, Arki, and Kandaghat. Nalagarh, Arki and Kandaghat sub-divisions comprise Nalagarh, Baddi, Ramshehar, Arki, and Kandaghat tehsils respectively. For administrative purposes, the district has been divided into seven tehsils, namely Solan, Kandaghat, Kasauli, Nalagarh, Arki, Baddi, Ramshehar and five sub-tehsil namely Krishangarh, Darlaghat, Mamligh & Panjehra. There are five blocks in the district namely Solan, Kandaghat, Dharampur, Nalagarh and Kunihar. There are 211 panchayats in the district covering 2383 villages. The Deputy Commissioner is the head of the district with the office at headquarter town. Solan town is the district headquarter of the district and the seat of district administration having offices in government buildings. There are Mini Secretariat at bypass containing D.C. Office, S.P. Office, SDM Office, NIC, DYSSO, District Statistical Office, D.R.O., Copying Agency, DRDA, Zila Parishad, District Treasury Office, ASP, DSP, DF&SC, etc. PWD circle office near the hospital on tank road. It houses the office of S.E., HP PWD, Solan circle. Public Works Department complex on Solan bye-pass. It has offices of Executive Engineer (National Highways), Executive Engineer, HP PWD Solan Division, Assistant Engineer Horticulture Sub Division, etc. District Industries Centre at Chambaghat. It has offices of GM, Industries and Mining officer. Tehsil Office at Kotla Nallah on Rajgarh road. District Public Relations Office near Gurudwara at Saproon.