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 HDFC Bank Limited was started in Mumbai. As of 31st March 2018, the bank has more than 88,000 permanent employees in India, and abroad, it has offices in Bahrain, Hong Kong, and Dubai. By assets, the HDFC Bank is Indias largest private sector lender. It is the largest bank in India and ranked 69th in 2016 BrandZ Top 100 Most Valuable Global Brands. In 1994, the HDFC Bank was established with its registered office in Mumbai, India. The then Union Finance Minister, Manmohan Singh inaugurated its first corporate office and a full-service branch at Sandoz House, Worli. The bank had 4,715 branches and 12,260 ATMs across India, as of June 30, 2017. In FY 2017, the bank also installed 4.30 lakhs POS terminals and issued 235.7 lakhs debit cards and 85.4 Lacs credit cards. The HDFC Bank offers many products and services including wholesale banking, treasury, auto loans, two wheeler loans, personal loans, retail banking, loans against property and credit cards. Along with this various digital products are also introduced by HDFC such as Payzapp and Chillr. The HDFC Bank merged with Times Bank in February 2000. In the new-generation private sector banks category, it was the first merger of two private banks. HDFC Bank acquired Centurion Bank in 2008 approved by the HDFC Bank Board for 95.1 billion INR as one of the most significant mergers in the financial sector in India.