A bank is a financial institution authorized to accept deposits and provide credits. Learn about the characteristics, types and common services of banks in India and abroad. Banks and other financial institutions offer products and services to help you manage your money, but do you know how they work? If you have a savings account, credit card, or loan, banks are ... A bank is a financial institution that accepts deposits and provides loans, as well as other services. Learn about the economic functions, revenue sources, and categories of banks in India, such as public, private, foreign, and regional rural banks.