Xiaomi India — mobile not repair on the service center

I'm deepak patel ([protected]). I had purchased redmi a2 handset from amazon on 24th february 2019 imei no [protected]. After few months some technical problem created with jio network. After all troubleshooting by mi care this problem was not resolved. After that i had visited mi service center (Jyoti complex near by). But service center executive declared my handset out of warranty for the reason of water damage but this was not the truth that was the conspiracy of mi service center executive and mi customer care. After that i had called customer care but customer care executive didn't help me. He was also with favour of service center. So please help to resolve this matter. After that i'm very frustrated. If you will not take any action for this i will claim for rs. 2, 00000/- in consumer court with all mi handsets of our family and friends.