Digital Passbook on your mobile, by TAMILNAD MERCANTILE BANK. Download TMB Digilobby app to your smart phone to access and explore your account transactions, Enable/Disable your Debit Cards instantly. View Transactions of all operative accounts at a single window. -------------------- How to Use: -------------------- ★ Install the TMB DIGILOBBY application. ★ Enter your Customer ID[7 digit numeric] and Registered Mobile Number with Bank. ★ If you don't know the Customer ID, check for Cust-Id