This book will provide the background of internet banking technologies like mobile banking, personal banking, SMS banking, tele banking, e-banking and e-commerce which allow customers to avoid going to bank branch physically and perform banking activities online. It increases customer satisfaction level, reduces transactional cost and increases productivity. This book also shows the growth and development of internet banking. Internet banking means that any enquiry or transaction can be processed online without going to branch concerned. It reduces physical and geographical boundaries and allows customers to make banking transactions anywhere and anytime with the help of different electronic devices such as ATM, debit card, credit card, electronic fund transfer (EFT), core banking solution, electronic clearing system (ECS) and real time gross settlement (RTGS). Further, new technology has rapidly transformed the traditional ways of doing banking operations. Traditional banking is branch based banking in which banks need to establish a physical presence in geographical area to carry out banking operations.