It's the student visa and CA immigration system is probably worst than others. Back in the day, I recall you would have to be from privileged background to afford education abroad. Nowadays any tom, dick, and harry can get in. Also, with advent of social networking, the world is actually pretty closer than you think.
Also there is a common trend in subcontinent where parents think just by sending kids abroad they will be successful even though student fees are like triple for international students.
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