HDFC Bank is a commercial bank of India, incorporated in August 1994, after the Reserve Bank of India allowed establishing private sector banks. The Bank was promoted by the Housing Development Finance Corporation, a premier housing finance company (set up in 1977) of India. "HDFC Bank currently has a nationwide network of 1416 Branches and 3382 ATM's in 550 Indian towns and cities." , and all branches of the bank are linked on an online real-time basis.As of September 30, 2008 the bank had total assets of INR 1006.82 billion.For the fiscal year 2008-09, the bank has reported net profit of Rs.2,244.9 crore, up 41% from the previous fiscal. Total annual earnings of the bank increased by 58% reaching at Rs.19,622.8 crore in 2008-09.

HDFC Bank Limited provides various financial products and services. It operates in three segments: Retail Banking, Wholesale Banking, and Treasury. The Retail Banking segment provides various deposit products, including savings accounts, current accounts, fixed deposits, and demat accounts. It also offers auto, personal, commercial vehicle, home, gold, and educational loans; loans against securities, property, and rental receivables; and health care finance working capital finance, construction equipment finance, and warehouse receipt loans, as well as credit cards, debit cards, depository, investment advisory, bill payments, and transactional services. In addition, this segment sells third party financial products, such as mutual funds and insurance, as well as distributes life and general insurance products through its tie-ups with insurance companies and mutual fund houses. The wholesale banking segment provides loans, non-fund facilities, and transaction services to large corporate, emerging corporate, small and medium enterprise, supply chain, public sector undertaking, central and state government departments, and institutional customers. It offers deposit and transaction banking products, supply chain financing, working capital and term finance, agricultural loans, and funded, non-funded treasury, and foreign exchange products. This segment’s services include trade services, cash management, money market, custodial, tax collection, and electronic banking. In addition, it provides correspondent bank services to co-operative banks, private banks, foreign banks, and regional rural banks; and wealth management products for non-resident Indians. The Treasury Services segment operates primarily in areas, such as foreign exchange, money market, interest rate trading, and equities.