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.
DCB Bank Ltd. is a private sector commercial bank having a network of 310 branches and 515 ATMs in India. The bank offers products to small and medium businesses, rural banking, individuals, and mid-corporates across the branch network. The DCB Bank is declared as the Best Small Bank in India by Businessworld Magna Awards 2017. The Bank is present in 19 States and 3 Union Territories. The DCB Bank is also considering expansion in tier 3 to tier 6 towns in Odisha, Karnataka, Chhattisgarh, and Telangana, Andhra Pradesh, Gujarat, Haryana, Madhya Pradesh, Maharashtra. The states where DCB Bank branches are located in India: Andhra Pradesh, Bihar, Kerala, Madhya Pradesh, Maharashtra, Odisha, Punjab, Rajasthan, Tamil Nadu, Telangana, Uttar Pradesh, Chhattisgarh, Delhi NCR, Gujarat, Goa, Haryana, Karnataka, Uttarakhand and West Bengal. Recently the branches of DCB Bank were inaugurated at Kusnoor (Gulbarga) in Karnataka, Ajmer in Rajasthan and Vishakhapatnam in Andhra Pradesh, New Delhi in the National Capital Region. In the 1930s, in Mumbai from a series of Co-operative bank mergers with the Ismailia Co-operative Bank Limited and the Masalawala Co-operative Bank respectively, DCB bank was found. The promoter of the Bank is the Aga Khan Fund for Economic Development (AKFED) with around 15.02% stake. On 31 May 1995, the Bank received the Scheduled Commercial Bank license from the Reserve Bank of India.