Every bank emphasizes being on top by its excellent performance. Human Resource Planning is one of the salient features to make the bank successful. Training or upskilling is the most important constituent of HRP. Training is the next important step after recruitment and compensation. Training makes the employees systematic, more efficient, and more customer-centric. Training enhances employee’s digital skills, cyber security, skills of risk management, etc. All these steps lead to profit maximization and a pleasant work culture for the bank. The study's rationale is to find out how training is helpful in completing the employee’s work properly. Also to know the effect of training on improving the employee’s work efficiency. The area selected for the study is the Patna zone. Different commercial banks such as SBI, BOI, BOB, and Canara Bank are chosen for the study. Data are collected from two sources: primary as well as secondary sources. The primary source includes the questionnaire method. The secondary sources include books, academic journals, literature reviews, websites, and newspapers. The chi-square test has been used to analyze the data on SPSS software. Based on inferential analysis, the study concludes that there is a strong relationship between training and employee’s satisfaction. It shows that training that is upskilling is necessary for their satisfaction, to improve the performance of the employees, to adapt to the competitive environment, and to fulfill the customer's services. In a nutshell, training makes the bank dynamic, and successful and creates a peaceful work culture.