About the tinted windows,
Tell him to challan you, or Give them the car keys, tell them to take it along and walk away, They just try to be smart A$$ and bully some money out of you.
About the temporary plates,
The tax/registration fees voucher you have, Should have a stamp number plates not issued and a date for issueance, Keep a photo copy of that. And throw it on the face of the guy who stops you.