Xiaomi India — I sent my phone for repairing last 2-3 months ago and didnt got till now.

On 17th august i guess i sent my phone for repairing to xiaomi service which is located in ahmedabad. I have also taken xiaomi pick me service under which i sent my phone. But i got some another person documents on my mail from the xiaomi and that i realised after sending my phone. As soon as i realise i have called and talk to the mi services and told everything. Unfortunately, from the last 2-3 months they are just telling me wait and wait. Under pick me service i should have been received my phone around 15 days but now they are doing its too late. I sent my phone through fedex courier services. I have also registered my compain in mi and my complain no. Is[protected] and i am attaching some photes which will show you that i have received any another person documents under pickme service.