Xiaomi India — Service centre mistake

Address:

Sagar, Madhya Pradesh, 470113

I m using mi not 4g nd while I am playing song in my phone I plugh in aux cable in it and then automatically the touch of phone not working then I send my phone to service centre in Indore nd there they said they will diagnose your phone for 2 days after that they will say that the phone have hardware problem or software problem after. 2 days they said that your phone motherboard is damaged nd the phone is not even starting but when I submit my phone the phone is working. Only. Touch is not working this the mistake phone motherboard. Is damaged. Due to mistake. Of service centre kindly. Resolve my problem. As soon as neither. I will file case against. Mi ..