Xiaomi India — Delay in service

Address:

Bangalore, Karnataka

I have given my phones display to be change in the service center on 14th September 2015. i called the service center on 18th September 2015 they are saying parts are not sent by the company yet, so they are not able to fix the issue, if this is the issue please let me know when can i get my phone back, My work order number is[protected]. if this is the case please let me know when i will get it done, if it delays like this i am ready to fight a consumer battle, i have already done this before.