The process for downloading the Cent mPassbook app is given below. To begin with, the app has to be downloaded from Google Playstore or Apple store. After installation, click on the application. The Cent M Passbook app will open. At this stage, you will have to choose the preferred language. The registration process should be started by entering the User ID, i.e. the CIF of the customer and the registered mobile number. On authentication of the details provided, an OTP will be sent to the registered mobile number. After entering the OTP, you will have to generate a four-digit MPIN. On confirmation of the password by re-entering it. This MPIN has to be entered every time you log in to the mobile application. On accessing the mobile app with the MPIN, all the account details can be viewed on the mobile. Personal ledger, passbook and account details can be viewed on this app. Details of all the accounts linked to the customer’s CIF will be available. You can choose the account for which the information is required. The default details on the mobile application can be changed by the user. Option for creation of a personal ledger is available wherein transactions from the passbook can be marked, and own transactions also can be added.