Mobile banking had its origin in November 1946.In India, the first bank on wheel was launched by the bank of Patiala in 1950. Mobile banking (also known as M- banking, SMS banking etc.) is a term used for performing balance checks, unit transactions, payments etc. via a mobile device such as a mobile phone. Mobile banking today is most often performed via SMS or the Mobile Internet but can also use special programs called clients downloaded to the mobile device. Mobile banking is a way for the customer to perform banking actions on his or her cell phone or other mobile device. It is also known as M-Banking or SMS Banking. Mobile banking allows the user to log into his or her account from a cell phone, and then use the phone to make payments, check balances, transfer money between accounts, notify the bank of a lost or stolen credit card, stop payment on a check, receive a new PIN, or view a monthly statement, among other transactions. This type of banking is meant to be more convenient for the consumer than having to physically go into a bank, log on from their home computer, or make a phone call. While all of this is true, some are concerned about the security of mobile banking. With an estimated 1.2 billion users worldwide at the end of 2017, mobile banking is fast becoming the main touch point for banks. This shift in user needs is a grand opportunity – for incumbent banks and also for new tech-focused challenger banks. The objectives of the study is to find the awareness of mobile banking in Mysore, to study the behavioral pattern of mobile banking and to study the customer's accepted the digitalization of financial/monetary transactions. The data was collected from 100 respondents through questionnaire. The stastical tools used to analyze and interpret data are Descriptive statitistics and Chi-square by using SPSS package. The results of the study specify that the factor affecting customer knowledge, past and image of the Mobile banking.