HDFC Bank Ltd is one of India's premier banks. Headquartered in Mumbai HDFC Bank is a new generation private sector bank providing a wide range of banking services covering commercial and investment banking on the wholesale side and transactional/branch banking on the retail side. As of 30 September 2017 the bank's distribution network was at 4729 branches and 12259 ATMs across 2669 cities and towns. HDFC Bank also has one overseas wholesale banking branch in Bahrain a branch in Hong Kong and two representative offices in UAE and Kenya. The Bank has two subsidiary companies namely HDFC Securities Ltd and HDB Financial Services Ltd.The Bank has three primary business segments namely banking wholesale banking and treasury. The retail banking segment serves retail customers through a branch network and other delivery channels. This segment raises deposits from customers and makes loans and provides other services with the help of specialist product groups to such customers. The wholesale banking segment provides loans non-fund facilities and transaction services to corporate public sector units government bodies financial institutions and medium-scale enterprises. The treasury segment includes net interest earnings on investments portfolio of the Bank.The Bank's ATM network can be accessed by all domestic and international Visa/MasterCard Visa Electron/Maestro Plus/Cirrus and American Express Credit/Charge cardholders. The Bank's shares are listed on the Bombay Stock Exchange Limited and The National Stock Exchange of India Ltd. The Bank's American Depository Shares (ADS) are listed on the New York Stock Exchange (NYSE) and the Bank's Global Depository Receipts (GDRs) are listed on Luxembourg Stock Exchange.HDFC Bank Ltd Was incorporated on August 30 1994 by Housing Development Finance Corporation Ltd. In the year 1994 Housing Development Finance Corporation Ltd was amongst the first to receive an 'in principle' approval from the Reserve Bank of India to set up a bank in the private sector as part of the RBI's liberalization of the Indian Banking Industry. HDFC Bank commenced operations as a Scheduled Commercial Bank in January 1995. Ramon House Churchgate branch was inaugurated on 16 January 1995 as the first branch of the bank. In March 1995 HDFC Bank launched Rs 50-crore initial public offer (IPO) (5 crore equity shares at Rs 10 each at par) eliciting a record 55 times oversubscription. HDFC Bank was listed on the Bombay Stock Exchange on 19 May 1995. The bank was listed on the National Stock Exchange on 8 November 1995.In the year 1996 the Bank was appointed as the clearing bank by the NSCCL. In the year 1997 the launched retail investment advisory services. In the year 1998 they launched their first retail lending product Loans against Shares. In the year 1999 the Bank launched online real-time NetBanking. In February 2000 Times Bank Ltd owned by Bennett Coleman & Co. / Times Group amalgamated with the Bank Ltd. This was the first merger of two new generation private banks in India. The Bank was the first Bank to launch an International Debit Card in association with VISA (Visa Electron). In the year 2001 they started their Credit Card business. Also they became the first private sector bank to be authorized by the Central Board of Direct Taxes (CBDT) as well as the RBI to accept direct taxes.During the year the Bank made a strategic tie-up with a Bangalore-based business solutions software developer Tally Solutions Pvt Ltd for developing and offering products and services facilitating on-line accounting and banking services to SMEs. On 20 July 2001 HDFC Bank's American depositary receipt (ADR) was listed on the New York Stock Exchange under the symbol HDB. Also they made the alliance with LIC for providing online payment of insurance premium to the customers.During the year 2002-03 the Bank increased the number of branches from 171 Nos to 231 Nos and the size of the Bank's ATM network expanded from 479 Nos to 732 Nos. They also expanded their presence in the 'merchant acquiring' business.During the year 2003-04 the Bank expanded the distribution network with the number of branches increased from 231 Nos to 312 Nos and the size of the Bank's ATM network increased from 732 Nos to 910 Nos. In September 2003 they entered the housing loan business through an arrangement with HDFC Ltd whereby they sell HDFC Home Loan product.During the year 2004-05 the Bank expanded the distribution network with the number of branches increased from 312 Nos to 467 Nos and the size of the Bank's ATM network increased from 910 Nos to 1147 Nos. During the year 2005-06 the Bank launched the 'no-frills account' a basic savings account offering to the customer. Also the distribution network was expanded with the number of branches increased from 467 Nos (in 211 cities) to 535 Nos (in 228 cities) and the number of ATMs from 1147 Nos to 1323 Nos.During the year 2006-07 the distribution network was expanded with the number of branches increased from 535 Nos (in 228 cities) to 684 Nos (in 316 cities) and the number of ATMs from 1323 Nos to 1605 Nos. They commenced direct lending to Self Help Groups. Also they opened a dedicated branch for lending to SHGs in Thudiyalur village (Tamil Nadu). In September 28 2005 the Bank increased their stake in HDFC Securities Ltd from 29.5% to 55%. Consequently HDFC Securities Ltd became a subsidiary of the Bank.During the year 2007-08 the Bank added 77 Nos new branches take the total to 761 Nos branches. Also 372 Nos new ATMs were also added taking the size of the ATM network from 1605 Nos to 1977 Nos. HDB Financial Services Ltd became a subsidiary company with effect from August 31 2007. In June 2 2007 the Bank opened 19 branches in a day in Delhi and the National Capital Region (NCR).During the year 2008-09 the Bank expanded their distribution network from 761 branches in 327 cities to 1412 branches in 528 Indian cities. The Bank's ATMs increased from 1977 to 3295 during the year. As per the scheme of amalgamation Centurion Bank of Punjab Ltd was amalgamated with the Bank with effect from May 23 2008. The appointed date for the merger was April 01 2008. The amalgamation added significant value to HDFC Bank in terms of increased branch network geographic reach and customer base and a bigger pool of skilled manpower.In October 2008 the bank opened their first overseas commercial branch in Bahrain. The branch offers the bank's suite of banking services including treasury and trade finance products for corporate clients and wealth management products for Non-resident Indians.During the year 2009-10 the Bank expanded their distribution network from 1412 branches in 528 cities to 1725 branches in 779 cities. The Bank's ATMs increased from 3295 Nos to 4232 Nos during the year.During the year 2010-11 the Bank expanded their distribution network from 1725 branches in 779 cities to 1986 branches in 996 Indian cities. The Bank's ATMs increased from 4232 to 5471 Nos.In the year 2014 HDFC Bank lunched the missed call banking service allowing customers to use banking services without having to visit the Bank or connect online.On 16 June 2015 HDFC Bank launched the 10-second personal loan approval service thereby becoming the first in the retail lending space to fully automate the process of loan approval and disbursement.In 2016 HDFC Bank introduced loans at ATMs as the country's first innovation to turn ATMs into Loan Dispensing Machines (LDMs) further extending the functionality of the Bank's ATMs.