A system that uses two cards for identification or access.
दो कार्ड प्रणाली
English Usage: The company implemented a two card system for enhanced security.
Hindi Usage: कंपनी ने उन्नत सुरक्षा के लिए दो कार्ड प्रणाली लागू की।
do kaard pranali, do card pranali, do kaard pranaali
