The two separate towns of Rajpur and Sonarpur in the South 24 Parganas district of the Indian State of West Bengal has been united to form the municipality of Rajpur Sonarpur. This small and emerging city comes under the Kolkata Metropolitan Development Authority or KMDA region. The area was earlier inhabited by the zamindars, who called the area "Rajar Puri," that translates to "Land of the Kings" in the regional language. The city is well connected to the nearby areas and lies in the vicinity of the metro city Kolkata. Rajpur Sonarpur is mostly a residential area and its residents mostly work in the service sector of the KMDA region. The Tripurasundari Temple in Boral area of Rajpur Sonarpur is a famous spot that attracts tourists as well as devotees. Many famous Bengali movies have been shot in and around this city. Rajpur Sonarpur city has a population of around 4 lakh and Bengali is the most commonly used language in the area.
The government owns 63.44% of the share capital of Union Bank of India making it one of the largest government-owned bank. As on 30 September 2015, the Union Bank had a network of 6909 ATMs. The online telebanking facility of UBI is available to all the Core Banking Customers, either individual or corporate. UBI had 4214 branches, as of September 2016. Out of them, four bank branches are outside India in Hong Kong, Antwerp, and Sydney (Australia) Dubai International Financial Centre. The representative offices of UBI are at Abu Dhabi, Shanghai, Beijing. The Union Bank of India (Union Bank) was registered as a limited company in Mumbai on 11 November 1919, and Mahatma Gandhi inaugrated it. The Union Bank of India had only four branches - three in Mumbai and one in Saurashtra at the time of Independence in 1947. After Independence, the growth of UBI was accelerated, and the Indian Government nationalized it in 1969. It had 240 branches by that time. The Union Bank of India acquired Belgaum Bank shortly after nationalization. The UBI bought the Miraj State Bank in 1985. In 1999 the Union Bank was requested by the RBI to acquire Sikkim Bank in a rescue after extensive irregularities had been discovered at the non-scheduled bank.