a question on same line.
eeuta phd student who is in his last year say 6-7th yr, and needs to go out of the country but still in N America, say cananda, to attend a conference and doesnot have the us visa- tyo case ma k huncha?
does he has to go back to nepal or is he good to travel within N America provided he has his good graduate standing and assistantship.

can anyone shed light on this matter?