Worst service of mi authorized service center

My mobile fell down and display gone. I went and told the same thing to them.they said mother board gone we can’t repair replace your mother board. I told them everything is working but I am not able to see the screen, but there is no response from them.. I came out and gave it in outside service center.they diagnosis the problem and replaced small component and it’s working fine.see how worst unskilled persons they’re maintaining.simply namesake.they charged 118 rupees for this worst service.just close the nonsense authorised service centres.what is the use of this.now I have every document with to prove as it’s worst. I will do that

Surya D
Bellandur, Bangalore 560103, Karnataka
Email: sxxxxxxxxxx1@gmail.com