CH meaning in Indian Union Territory ?

Chandigarh (; local pronunciation: [tʃə̃ɳˈɖiːɡəɽʱ]) is a city, district and union territory in India that serves as the joint capital of the two neighbouring states of Punjab and Haryana. Chandigarh is bordered by the state of Punjab to the north, the west and the south, and by the state of Haryana to the east. It is considered to be a part of the Chandigarh Capital Region or Greater Chandigarh, which includes Chandigarh, and the city of Panchkula (in Haryana) and cities of Kharar, New Chandigarh, Mohali and Zirakpur (in Punjab). It is located 260 km (162 miles) north of New Delhi and 229 km (143 miles) southeast of Amritsar.

Chandigarh was one of the early planned cities in post-independence India and is internationally known for its architecture and urban design. The master plan of the city was prepared by Swiss-French architect Le Corbusier, which transformed from earlier plans created by the Polish architect Maciej Nowicki and the American planner Albert Mayer. Most of the government buildings and housing in the city were designed by the Chandigarh Capital Project Team headed by Le Corbusier, Jane Drew and Maxwell Fry. In 2015, an article published by BBC named Chandigarh as one of the few master-planned cities in the world to have succeeded in terms of combining monumental architecture, cultural growth, and modernisation.

Chandigarh's Capitol Complex was in July 2016 declared by UNESCO as World Heritage at the 40th session of World Heritage Conference held in Istanbul. UNESCO inscription was under "The Architectural Work of Le Corbusier an outstanding contribution to the Modern Movement". The Capitol Complex buildings include the Punjab and Haryana High Court, Punjab and Haryana Secretariat and Punjab and Haryana Assembly along with monuments Open hand, Martyrs Memorial, Geometric Hill and Tower of Shadow and the Rock Garden.

The city has one of the highest per capita incomes in the country. The union territory has one of the highest Human Development Index. In 2015, a survey by LG Electronics ranked it as the happiest city in India over the happiness index. The metropolitan area of Chandigarh, Mohali and Panchkula collectively forms a Tricity, with a combined population of over 1,611,770.