Canadian transit visa time constraint

I am an Indian student studying in USA. I am travelling to India from San Francisco on December 27th, 2017 and have a layover in Vancouver. I applied for a transit visa on November 28th. The estimated processing time right now is 19 days (if the application is filled up correctly) but I also have to mail my passport to Los Angeles, which may take more time itself.
Is there any way I could convey my time constraint to the authorities so that they could help me and give me a speedy decision? Can I personally go to Los Angeles and get my passport stamped in a day or so?
Best Answer
Sending a passport will take less then a day. Good applications will be processed quicker than a too much verbose or an incomplete application. Sometime with a fee, there is fast track (usually for emergencies, which is really not your case: for emergency you will flight the most direct way, without layover).
But why do you think you deserve special procedures, over people who applied in time? These requests are not well seen by authorities. BTW, it is your job to apply in time.
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How long is transit visa for Canada valid for?
A transit visa is an official document that we put in your passport. It shows that you meet the requirements to transit for up to 48 hours through a Canadian airport. It can be valid for 1 or 2 entries, depending on your travel plans.Is there a time limit to enter Canada after getting visa?
Most visitors can stay for up to 6 months in Canada. If you're allowed to enter Canada, the border services officer may allow you to stay for less or more than 6 months. If so, they'll put the date you need to leave by in your passport.How long can I stay on a transit visa?
A transit visa is valid for 24 hours. That's the usual amount of time it takes for you to board the flight to your destination country. If you are going to spend more time in your transitioning country, you need to apply for a tourist visa.Can you enter Canada with transit visa?
You need an eTA to transit through Canada by air if you're from an eTA-required country. You don't need an eTA if you're transiting through Canada and you enter by train, bus, boat or cruise ship. You do need to bring the right travel documents.Canada - Transit Visa - How To Confirm You Don’t Need An eTA while Transiting via A Canadian Airport
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