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 Kumbakonam Bank Limited, the previous name of City Union Bank, was registered as a limited company on 31 October 1904. In the Thanjavur district of Tamil Nadu, the bank initially preferred the role of a regional bank. The City Union Bank had a network of 600+ computerized branches (using TCS BaNCS software) as of November 2017 and 1,526+ ATMs across the country. The City Union Bank also offers a range of technical services such as self-service kiosks, bulk note acceptors, net banking, mobile banking, and Point of Sales, etc. The banks also provide savings and deposit products to meet the demand of various customers. It also offers many loan products to serve the financial needs of small individual customers to large industries. City Union Bank launched Indias first banking robot named Lakshmi in November 2016. It is the first on-site humanoid robot in India. The robot is capable of managing multiple tasks on sensitive financial information like account details. Dr. N Kamakodi is the MD and CEO of City Union Bank since 2011. The digital banking products and services of City Union Bank includes Passbook printing kiosk, Credit card and traveling card facility, cheque clearing kiosk, etc.