To identify the term for a group leaving their country due to persecution:
1. Under the 1951 Refugee Convention and Indian law, a refugee is a person who flees their country of origin due to a well-founded fear of persecution based on race, religion, nationality, or political opinion.
2. Asylum seekers are those seeking refugee status, migrants move for economic reasons, and internally displaced persons stay within their country.
3. The description matches the definition of refugees.
Therefore, the correct answer is (3) Refugees.