Kumari Deepa Rani , Brajesh Kumar , R.S. , S.K. 2025. Unified Payment Interface (UPI) and the Digital Banking Revolution: Opportunities and Challenges. International Journal on Research and Development - A Management Review. 14, 1 (Sep. 2025), 287–303. DOI:https://doi.org/10.65521/ijrdmr.v14i1.1281.