Digital banking has come up as one of the biggest technological changes in the banking sector. Digital banking platforms have also been adopted by cooperative banks. This study aims to investigate the influence of digital banking services provided by the Tamil Nadu State Cooperative Bank (TNSC Bank) on customer satisfaction and convenience in banking. The study analyses customer awareness, adoption, trust, perception regarding security, convenience, and difficulties related to digital banking services such as mobile banking, internet banking, Unified Payment Interface (UPI), ATMs, and online money transfer services. Descriptive research design was applied in this study. The primary data were gathered from 100 respondents using a structured questionnaire. Secondary data were sourced from various academic articles, website reports, books, and banking publications. Percentage, correlation, regression, and ANOVA tests were employed in statistical analysis.The results show that digital banking services have had a positive impact on the satisfaction of customers through minimizing their need to visit banks, increasing the speed of transactions, and increasing accessibility. Nevertheless, problems like those related to cyber security, system malfunctions, and low digital literacy levels are still experienced by some customers. It is concluded that increased customer awareness, better security measures, and quality digital services could help build customer trust and adoption of digital banking services at TNSC Bank.

KEYWORDS - Digital Banking, Customer Satisfaction, Mobile Banking, Internet Banking, UPI, Customer Perception, Banking Technology, TNSC Bank.