This document discusses various technologies used in banking. It describes Inter Bank Mobile Payment System (IMPS) and how it allows customers to transfer funds between banks via mobile devices. It also discusses online banking, use of analytics for segmentation and understanding customer preferences, convergence of storage and computing infrastructure, mobile banking, electronic bill payment, electronic fund transfer, electronic cheques, Real Time Gross Settlement (RTGS) system, and Automatic Teller Machines (ATMs). The benefits of these technologies for customers, banks and employees are reduced costs, immediate access to accounts and transactions, increased productivity and efficiency. The challenges are costs of implementation, risk of technology failures, penetrating rural areas and upgrading workforce skills.