Service center denying in-warranty service

I have been in the process of shifting homes , due to mishandling on part of the packers and movers i have misplaced my mini-pc . But i still have the graphic card that came with it ie: ZOTAC RTX-3060 , i have only recently tried to use it in a PC , but it was not giving any display output , so since it is still under warranty ( Aug 2023 Billing from Amazon.in ) i decided to take it to the zotac authorized service center , near me . But on reaching out to them they are repeatedly ignoring my req