Xiaomi India — service centre kamla nagar cheating

Address:

New Delhi, Delhi, 110005

I visited at centre on 13/9. They made my phone totally dead. I was using this phone regularly but charging was slow.
Model redmi 2. Imei [protected] sn. 11206/20622522. They told me mother board not working. On 23/9 i visited & told me know it's not on. They misbehaved me & my wife. Cheat me as saying battery is not working. They said now charged 67%. But it's none.