India, May 24 -- The administration of Donald Trump has announced sweeping changes to the US immigration system, requiring most green card applicants already living in the United States to leave the country and complete their permanent residency applications from their home nations.

The new policy, unveiled on Friday by the US Citizenship and Immigration Services (USCIS), marks a major shift in immigration procedures and has sparked concern among international students, temporary workers, and families awaiting residency approvals.

Under the revised rules, foreign nationals seeking lawful permanent resident status - commonly known as a green card - will generally no longer be allowed to complete the process while remaining in the United ...