Toyota — faulty and poor quality gps/map card

Address:

Agra, Uttar Pradesh, 282005

I had give my toyota innova crysta for body shop work to sunny toyota agra
When i got the car back after 10 days i tried inserting gps card but it didnt detect
On contacting agency they started blaming me that it was my fault and i had spoiled the gps card
Even though i had kept gps card in a box which was provided to me on first service
I want a replacement for this asap on this
Customer has to bear such a loss without any fault