You might think of following the requirements in this link and submitting a letter from your employer stating that a second passport was necessary for the reason you outlined.
You don't have to surrender your original passport while the normal renewal process is under way so it could well work. You'd just perhaps need to make sure that they understood that you wanted a second passport and were not looking for a replacement for a lost or stolen one.
Passport or travel document
And there are services such as this one, which sometimes charge a lot for a job you could do yourself. But of course it does save waiting in the hot and fetid queues.
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