Law / Help regarding Poland's National 'D' Visa Appointment at Mumbai Consulate! [719]

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Poland Type D work visa appointment in Mumbai consulate

Hi All,
I'm trying to get an appointment for Type D work visa from Mumbai consulate from 3 months but no luck till now. In my work permit it is stated that I need to travel before November 25th, 2018 or else it will cancelled. Now I'm worried. Can anyone help me in this