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 head office of the Tamilnad Bank is at Thoothukudi, Tamil Nadu. The primary objective of founding TMB was to serve the Nadar business community, and the idea was proposed at the annual meeting of Nadar Mahajani Sangam at Tuticorin in 1920. Outside the state of Tamil Nadu, the bank opened its first Indian branch at Bangalore in 1976. On 9 December 1984, the bank opened its first fully computerized branch at WGC Road, Tuticorin. On 11 November 2003, the Bank launched its ATM Card. In e-banking, RTGS/NEFT facilities have been successfully implemented by the TMB bank. The Tamilnad Mercantile Bank had the tie-up with Western Union Money Transfer to facilitate the remittances from abroad to India. For providing payment gateway services to the internet banking customers, TMB bank collaborated with BillDesk (India ideas.com), CCAvenue (Avenues India), SBI ePay, Atom Technologies and PayU India. It was the first old bank to supplying POS machines and introduce mobile banking to Customers. The bank had adopted a video conferencing facility for connecting with the Head Office, various Departments, and Regional offices. For its ATM operations, TMB bank is a member of National Financial Switch. The bank also introduced TMB e-passbook app as a part of its mobile banking operation.