The American immigration system is unfair to those who came to the US legally and are waiting in line for years, President Donald Trump said today as he once again pushed for a merit-based immigration system.

Indian-Americans, most of whom are highly skilled and came to the US mainly on H-1B work visas, are the worst sufferers of the current immigration system which imposes a seven per cent per country quota on allotment of green cards or permanent legal residency.