Xiaomi India — Poco x3 pro dead service center not giving warranty

Address:

Xiaomi Technology India Private Limited Building Orchid. Block E, Embassy Tech Village Marathahalli Outer Ring Road, Devarabisanahalli, Bengaluru 5601

My Poco x3 pro suddenly not booting.i went to the service center at westbengal, nadia, krishnanagar protima infotech they told me my phone is phisycaly damaged by me and recoded at their end, and they didn't give me warranty.It is regret to say there is a very minor spot on fingerprint/power button.how can a little spot be phisycally damaged..! There was mother board problem. I request to you that my phone be brought under warranty coverage because my phone is approximately 8 month's old.just for a minor scratch I will not get warranty..!! For a minor scratch they regret to giving me warranty.I want justice I hope I will get justice.