The principle that a person can only be extradited to face charges in another country if the alleged criminal act is considered a crime in both the requesting and requested countries.

दोहरा अपराध सिद्धांत

English Usage: The rule of double criminality is crucial in international extradition cases.

Hindi Usage: अंतर्राष्ट्रीय प्रत्यर्पण मामलों में दोहरा अपराध सिद्धांत महत्वपूर्ण है।