Today Consumers have an opportunity to pay for purchases either by cash or by card. Recently, a conventional payment mechanism like card payment is increasing with the increase of technology as well as the change of lifestyle. During recent years, it has been noticed that new generation like the payment mechanism of smart cards and Electronic Payment System, which represents a significant proportion of the transaction which shows the growth of an economy. It also leads to transparency in the transaction leading to a traceable and accountable citizens. The digital innovation in payment has reduced the burden of consumers to a greater extent making cash available to the consumers anytime and anywhere they want it in this cashless economy. This book details on the consumer behavior towards digital payment system.