This project report investigates the factor influencing customers' continuous intention towards the usage of UPI (Unified Payments Interface) applications in Haryana. The aim of the study is to identify the key factors that impact users' sustained engagement with UPI apps, thereby providing insights for service providers and policymakers to enhance customer adoption and retention. The research methodology involved a combination of quantitative surveys and qualitative interviews conducted among UPI app users in Haryana. The collected data was analyzed using statistical techniques such as regression analysis and thematic coding. The finding suggest that several factors significantly influence customers' continuous intention to use UPI applications in Haryana. These factors include perceived ease of use, perceived usefulness, trust in the technology, transaction security, user satisfaction, social influence, and perceived financial benefits. Furthermore, the study highlights the importance of user education and awareness programs, improving transaction security measures, and enhancing customer support services as potential strategies to promote sustained usage of UPI apps in Haryana. Overall, this project report provides valuable insights into the factors affecting customers' continuous intention towards using UPI applications in Haryana. The findings can assist UPI app providers, financial institutions, and policymakers in formulating effective strategies to enhance customer adoption and retention in the rapidly growing digital payment landscape.