Ludhiana is a city and a municipal corporation in Ludhiana district in the Indian state of Punjab, and is the largest city north of Delhi. It is the largest city in the state, with an estimated population of 1,693,653 as of the 2011 Census. The population increases substantially during the harvesting season due to the migration of labourers from the eastern states of Uttar Pradesh, Bihar, Odisha and Delhi. It has an area of about 3,767 square kilometres (1,454 sq mi). The city stands on the Sutlej River's old bank, 13 kilometres (8.1 mi) south of its present course. It is a major industrial centre of northern India, and was referred to as India's Manchester by the BBC. Ludhiana is located 98 kilometres (61 mi) west of the state capital Chandigarh on NH 95 and is centrally located on National Highway 1, which runs from the Indian capital New Delhi to Amritsar. For shopping, Markets such as Chaura Bazaar, Ghumar Mandi, Jawahar Nagar Camp, Kipps Market and Mall Road are good places to buy from but parking may be an issue in such areas. Malls such as Westend Mall (Wave Mall), MBD Mall, Silver Arc and Pavilion mall are good attractions as big malls. The Grand Walk, Flames Mall, Ansal Plaza, SRS Mall and Govardhan City Center are also some good medium-sized malls. Ludhiana is a mixture of Urban and Rural living.The city is surrounded by farming land on every side but inside the city there are many parks that still exist for relaxation, walking and picnics. Parks Such as Leisure Valley, Rose garden Rakh bagh and PAU are very good places to walk and spend time.