The banking sector is evolving so rapidly as it never was due to the rapid transformation happening in the sector driven by the advent of artificial intelligence. This profound transformation in the sector is fundamentally reshaping the customer experience. The Present study deals with a comprehensive analysis of the significant role AI is playing in the sector and the prospects of AI applications. AI has proved phenomenal in improving customer satisfaction through its ability to interact with the customers seamlessly. Many interactive AI based innovative tools such as chatbots, personalized financial advice, fraud detection algorithms, predictive analytics are being used by the banking sector extensively and they have revolutionised the customer experience banks can offer to the customers. The simple task of providing answers to the routine customer queries through chatbot has helped banks to provide 24/7 customer service which otherwise was not possible. In today’s digital global economy where the trades and transactions happen day and night, AI has made it possible for banks to offer real time support exactly when they really need it. This study discusses where the AI can be incorporated in the banking system, how it can be incorporated, challenges associated with its incorporation and its deployment in different customer service requirements. The study also deals with current and future application areas where AI can be successfully implemented in the customer service processes at the same time discussing challenges associated with its implementation. It also addresses the ethical and security issues that can arise due to its extended use and discusses solutions to overcome them. Finally, some case studies and real-world examples are covered showing how AI is successfully incorporated in the banking sector and benefits reaped from its deployment.