Shimla 

The Kalka-Shimla railway line, constructed in 1906, added to Shimla's accessibility and popularity. The railway route from Kalka to Shimla, with more than 806 bridges and 103 tunnels, was touted as an engineering feat and came to be known as the "British Jewel of the Orient".[7] In 2008, it became part of the UNESCO World Heritage Site, Mountain railways of India.[8] Not only that, there was a significant Muslim population in the region before the partition of British India. In addition, Shimla was the capital of the undivided state of Punjab in 1871, and remained so until the construction of the new city of Chandigarh (the present-day capital of Punjab)[dubious – discuss] Upon the formation of the state of Himachal Pradesh in 1971, Shimla was named its capital.After independence the Chief Commissioner's Province of H.P. came into being on 15 April 1948 as a result of integration of 28 petty princely states (including feudatory princes and zaildars) in the promontories of the western Himalaya, known in full as the Simla Hills States & four Punjab southern hill States by issue of the Himachal Pradesh (Administration) Order, 1948 under Sections 3 & 4 of the Extra-Provincial Jurisdiction Act, 1947 (later renamed as the Foreign Jurisdiction Act, 1947 vide A.O. of 1950). The State of Bilaspur was merged in the Himachal Pradesh on 1 April 1954 by the Himachal Pradesh and Bilaspur (New State) Act, 1954. Himachal became a part C state on 26 January 1950 with the implementation of the Constitution of India and the Lt. Governor was appointed. Legislative Assembly was elected in 1952. Himachal Pradesh became a Union Territory on 1 November 1956.[9] Following area of Punjab State namely Simla, Kangra, Kulu and Lahul and Spiti Districts, Nalagarh tehsil of Ambala District, Lohara, Amb and Una kanungo circles, some area of Santokhgarh kanungo circle and some other specified area of Una tehsil of Hoshiarpur District besides some parts of Dhar Kalan Kanungo circle of Pathankot tehsil of Gurdaspur District; were merged with Himachal Pradesh on 1 November 1966 on enactment of Punjab Reorganisation Act, 1966 by the Parliament. On 18 December 1970, the State of Himachal Pradesh Act was passed by Parliament and the new state came into being on 25 January 1971. Thus Himachal emerged as the eighteenth state of the Indian Union.