Bank may be defined as a financial institution which is engaged in the business of keeping money for savings and checking accounts or for exchange or for issuing loans and credit etc. A set of services intended for private customers and characterized by a higher quality than the services offered to retail customers. Based on the notion of tailor-made services, it aims to offer advice on investment, inheritance plans and provide active support for general transactions and the resolution of asset-related problems. The essential function of a bank is to provide services related to the storing of deposits and the extending of credit.

Basic function may include Credit collection, Issuer of banking notes, Depositor of money and lending loans.

Now a days banking is not in its traditional way , with the advancement of technology its focusing on more comfort of customer providing services such as:

- online banking
- investment banking
- electronic banking
- internet banking
- pc banking /mobile banking
- e-banking
The importance of banking sector is immense in the progress and prosperity of any State or country. The economic progress and prosperity comes from the well-rounded development and an impeccable banking management. Banks in general, governmental and private, have eased our financial transactions, security, and facilitated the funding for establishing a business or industry.