Designed by Le Corbusier, it and several of his other works were inscribed as UNESCO World Heritage Sites in July 2016.

[2][3] Sarv Mittra Sikri, who had been practising in the High Court of Punjab and Haryana and remained Advocate-General for Punjab from 1 November 1956 to 2 February 1964, was the first to be appointed as judge of the Supreme Court of India on 3 February 1964 directly from the Bar; later, becoming the Chief Justice of India on 22 January 1971, again with the distinction of being first of only two CJIs directly from the Bar.

Past judges include Madan Mohan Punchhi, P. Sathasivam, Tirath Singh Thakur, Jagdish Singh Khehar and Ranjan Gogoi who were elevated to the Supreme Court of India and became Chief Justice of India.

The Punjab Reorganisation Act, 1966 paved the way for the formation of Haryana and the Union Territory of Chandigarh from 1 November 1966.

Following area of State of Punjab namely Shimla, Kangra, Kullu and Lahaul 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 as per Section 5 of the Punjab Reorganisation Act, 1966 and thus the jurisdiction of the High Court was reduced.

[13] Chief Minister of Haryana Manohar Lal Khattar proposed a High Court of Haryana in Chandigarh, and Chief Minister of Punjab Bhagwant Mann proposed a High Court of Punjab in New Chandigarh.

[14] Le Corbusier, who designed the master plan for Chandigarh, was chosen to execute the project of building the high court.

India's first Prime Minister, Jawaharlal Nehru, enthusiastically supported the project and took a sustained interest in its execution.

When he visited the project on 2 April 1952, he declared "Let this be a new town symbolic of the freedom of India, unfettered by the traditions of the past, an expression of the nation's faith in the future.

[18] Digitized record paved way for many unique applications such as The figures of the work done are as under:[19] VPN connection has been provided to honourable judges of high court for accessing DMS for scanned paper books from their camp office or from any other place.