Divyaraj Parmar, Pankaj Rathod, Vatsal Chandrapal, and Khyati Kariya. “A REVIEW OF AUTHENTICATION MECHANISMS IN INDIA’S DIGITAL PAYMENT ECOSYSTEM: FROM OTP TO BEHAVIOURAL BIOMETRIC, IN LIGHT OF RBI’S 2025 AUTHENTICATION DIRECTIONS”. International Journal of Computer Information Systems and Industrial Management Applications 18, no. 15s (August 8, 2026): 150–160. Accessed August 10, 2026. https://cspub-ijcisim.org/index.php/ijcisim/article/view/4382.