This study aims to investigate the influence of emotional intelligence (EI) on managers at banks in Tamil Nadu, India, comprising both public and private sectors. The study also investigates how demographic factors such as age and marital status influence EI and managerial performance. A questionnaire was used to collect data from 448 bank managers, and the data was examined using mean, standard deviation, and relative significance index (RII) approaches. The study findings show that EI positively influences the managerial performance and organisational commitment of bank managers. Bank managers with higher EI are better equipped to handle emotions and manage them effectively. Society creates a significant job for good contentment. The study also finds that private and public sector bank managers have different rates of managerial efficiency due to differences in work motivation, income, work environment, and service quality. Further the study indicates, age and marital status have a substantial influence on EI, with younger managers demonstrating higher levels of EI than their older colleagues. Marital status is also found to influence EI, with family issues and stress negatively affecting the emotional intelligence of bank managers. Finally, the study concludes that the EI is a crucial factor in the managerial performance of bank managers, and organisations must focus on the evolution of emotional intelligence of the workers undergoing training and development programs. The study’s limitations are also explored, and recommendations for further research are made. Overall, the study gives useful information into the connection with EI and managerial function in the department of banking.