Xiaomi India — I am complaining about product screen problem and service centre

Address:	Chennai, Tamil Nadu, 603103
Website:	Amazon

Hi,
My name is Parameswara Reddy, Actually I bought Mi 4I from Amazon before 2 months only.While Using suddenly my phone screen got problem.Problem is half of the screen light dull andhalf is normal, That dull part is blure slightly its didn't felldown while using normally its happened.after that I contacted Radient e service care which is located in velachery Chennai they took my phone for resolving problem before 1 month till now they didn't resolved.I am calling every to that service care they didn't answer the call.for not only me they did for all customers like this only.we didn't expect this type of worest product and also service from MI.This is shame for your Mi.please solve my problems as early as possible.if product is not good please donot release them into the market.its my kindly request.