Washington, July 18 -- Indian students admitted to universities in the US are struggling to secure visa appointments, sparking uncertainty and anxiety before the academic year begins in August and September - a situation that many describe as being worse than in recent years when visa dates have been persistently backlogged. Education counsellors and applicants say those who applied for visa slots after April have faced severe difficulties obtaining appointments. "Students are not getting appointments, even through visa agents. I don't know what people are going to do because this year is unprecedented. In earlier years, they came up with emergency appointments for this. But I haven't heard this yet and today is the 17th of July," said Mrin...