There are different components of e-banking:

1. Mobile Banking: Mobile banking refers to conduct of banking operations on mobile phones. In other words, mobile banking means banking operations that are done through mobile phone while a person is on the move. Service is available only to an existing customer of the bank availing internet banking services. Mobile banking is available for the individual customers.

2. Telephone Banking or Phone Banking: Telephone banking refers to the delivery of banking and financial services to the customer of a bank through the medium of telephone. In other words, telephone banking is a form of e-banking under which a customer can obtain the necessary information of dialing a telephone number specified in advance. Telephone banking is a secure, fast and convenient way to obtain a range of banking services. 

3. Internet Banking: Internet Banking refers to provision of banking services by banking to its customers through its website. Internet baking enables the customers to have every banking activity which a customer could do over a bank counter with comforts from his office or home. Internet banking helps the banks to raise huge deposits from the NRIS.

4. Home Banking: Use of personal computers at home for conducting their banking operations with their banks is called home banking. Use of personal computer at home or in office by customer for handling his bank account is one of the main features of home banking. 

5. Debit Cards: A debit card is also a payment card. It is used to obtain cash, goods or services automatically, debiting the payments to the card holder’s bank account instantly upto the credit balance which exists in the customer’s bank account. There is no need to carry cash, its use is less complicated than using a cheque.

6. Credit Cards: A credit card is an instrument which provides instantaneous facilities to its holder to purchase goods or services for business establishments enrolled as members of the credit card system.

7. ATMs: An automated teller machine or automatic teller machine, popularly called the cash machine or any time money, is an electronic machine installed by a commercial bank and operated by the customer himself, to withdraw money and to make other financial transactions. ATMs can be installed at any place, at the bank premises or at important places like railway station, bus station, shopping centers, etc. 

8. EFT: The electronic funds transfer scheme is scheme of the Reserve Bank of India. Electronic funds transfer is a system by which cheqes, pay-in-slips and other financial papers are replaced by computer controlled invisible and immediate transfer of funds from one account to another.

9. Core .Banking: Core banking or centralized banking is the process which is completed in centralized environment. That is, under this process, the information relating to customers account is stored in the Central Server of the Bank that is available to all the net- worked branches of the bank.