India, Dec. 21 -- The swift policy changes and modifications linked to Donald Trump's enforcement actions have prompted a plethora of cautions from immigration experts. Non-immigrant visa holders are at present subject to unusual levels of scrutiny, especially H-1B employees.

In view of the increased social media screening procedures and the September proclamation that imposed a $100,000 fee to new H-1B applications, it is not a desirable time for non-immigrants to depart the United States if they want to return soon. Even several top firms like Google and Apple have warned their employees against international travel amidst the ongoing chaos and policy changes in the US.

Leading American corporations and a number of immigration attorne...