HDFC Bank Limited (BSE: 500180, NSE: HDFCBANK, NYSE: HDB) is an Indian financial services company that was incorporated in August 1994. HDFC Bank is the fifth or sixth largest bank in India by assets and the second largest bank by market capitalization as of February 24, 2012. The bank was promoted by the Housing Development Finance Corporation, a premier housing finance company (set up in 1977) of India. HDFC Bank has 1,986 branches and over 5,471 ATMs, in 996 cities in India, and all branches of the bank are linked on an online real-time basis. As of 30 September 2008 the bank had total assets of Rs.1006.82 billion. For the fiscal year 2010-11, the bank has reported net profit of 3,926.30 crore (US$783.3 million), up 33.1% from the previous fiscal. Total annual earnings of the bank increased by 20.37% reaching at 24,263.4 crore (US$4.84 billion) in 2010-11. HDFC Bank is one of the Big Four banks of India, along with: State Bank of India, ICICI Bank and Punjab National Bank.

HDFC Bank was incorporated in 1994 by Housing Development Finance Corporation Limited (HDFC), India's largest housing finance company. It was among the first companies to receive an 'in principle' approval from the Reserve Bank of India (RBI) to set up a bank in the private sector. The Bank started operations as a scheduled commercial bank in January 1995 under the RBI's liberalisation policies.