Secretary of State Marco Rubio said last month that he's revoked at least 300 visas of students he described as "lunatics," citing pro-Palestinian support or activism, activities that are normally considered protected First Amendment rights, USA TODAY reported.

For hundreds of thousands of people every year who dream of studying or researching in the United States, a student visa is the golden ticket.

The American Immigration Lawyers Association has revealed a study claiming that 50 per cent of the reported cases of US students whose visas got revoked are Indian. The association examined 327 reports of visa revocations by the Donald Trump administration and found out India leads the list followed by China with 14 per cent of Chinese students