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.
On 19th February 1943, the OBC was started in Lahore, Pakistan by Late Rai Bahadur Lala Sohan Lal, the founding father of Oriental Bank of Commerce. The bank had to face the after-effects of partition in 1947. The branches in the newly formed Pakistan had shut, and the Registered Office had shifted from Lahore to Amritsar. The registered office was relocated to Delhi, in the year 1951. In 1980, it was nationalized by the Indian government. The merchant banking division of the bank was set up in 1992, and it was authorized by SEBI to act as a category-I merchant banker. In the year 1997, Punjab Co-operative Bank Ltd and Bari Doab Bank Ltd were merged with the OBC bank. The bank had joined hands with Citibank for launching OBC co-branded credit card. In the year 1999, OBC had set up asset recovery branch, one each at Delhi and Mumbai. For women entrepreneurs in the year 2002, the Bank had opened a specialized office and collaborated with Corporation Bank for sharing ATM network. In the year 2003, CBS, OBC had joined hands with Infosys Technologies Ltd and Wipro Ltd to make Centralised Banking Solution. In the same year, the OBC Bank and Small Industries Development Bank of India (SIDBI) had agreed to work on projects in the field of small-scale, infrastructure and service areas. In February 2008, the Oriental Bank Navkiran Deposit Scheme was launched by the bank. Kotak Mahindra Asset Management Company entered into a distribution tie-up with OBC in March of the year 2008.