Chandigarh is a union territory of India, that serves as the capital of two states, Punjab and Haryana. The name translates to English as The Fort of Chandi. The name was coined from an ancient temple called Chandi Mandir, devoted to the Hindu Goddess Chandi, present in the citys vicinity.[2] It is occasionally referred to as The City Beautiful. Chandigarh Capital Region including Mohali, Panchkula and Zirakpur had a combined population of 1,165,111 (1.16 million) as per the 2001 census. Known internationally for its architecture and urban planning, it is the first planned city of India. Chandigarh is home to numerous architectural projects of Le Corbusier, Pierre Jeanneret, Matthew Nowicki, and Albert Mayer. The city tops the list of Indian States and Union Territories with the highest per capita income in the country at Rs.99,262 at current prices and Rs.70,361 at constant prices (2006–2007) The surrounding districts are of Mohali, Patiala and Roopnagar in Punjab and Panchkula and Ambala in Haryana. The boundary of the state of Himachal Pradesh is also minutes away from its north border. Chandigarh has a sub-tropical continental monsoon climate characterized by a seasonal rhythm: hot summers, slightly cold winters, unreliable rainfall and great variation in temperature (-1 °C to 41.2 °C). In winter, frost sometimes occurs during December and January. The average annual rainfall is 1110.7 mm. The city also receives occasional winter rains from the west.