HDFC Bank is a provider of financial services to its customers in India. Co.'s principal business activities are retail banking, wholesale banking and treasury operations. Co.'s retail banking products include deposit products, loans, credit cards, debit cards, third-party mutual funds and insurance products, bill payment services, and other products and services. Co.'s wholesale banking provides customers a range of financing products, such as documentary credits and bank guarantees and foreign exchange and derivative products. Co.'s treasury operations manage its balance sheet, and include services such as advisory services related to foreign exchange and derivative transactions.