Tata Motors — Not getting color of my choice

I have booked a Tata Tigor XZ plus CNG on 26 April 2022 with color Arizona Blue for Marriage occasion as we have promised with this color.
At the time of booking dealer have promised me for Arizona Blue. Now dealer is forcing me for opting White color instead of Arizona Blue and telling me for not having any option other than white.
On marriage we have promised with Arizona Blue color and dont want any other color.
Dealer is also telling me for not giving delivery with other color option and not supporing at all.