Here is a list of documents needed for your application. 1. Completed Form I-589 2. copy of passport 3. copy of I-94 4. copy of visa 5. Copy Social Security Number Card (If any) 6. One of 2x2 color photograph (passport size-US) 7. copy of relationship certificate 8. copy of educational documents 9. copy of employment experience letters 10. copy of marriage certificate 11. copy of birth certificate of children under 21 12. Business registration and tax registration documents in Nepal if any 13. land/building ownership and valuation documents of lands in Nepal 14. Any news printed in the newspapers related to the threats, bombing, extortion, murder, battery or property damage 15. Occupation of family members and evidence thereof 16. Threat letters, photographs, publications of any kind related to the threat 17. Medical Treatment reports if applicable 18. Any other related evidences