Motorola Solutions — so much delay repair of moto g4

Website:

motorola-mobility-en-in.custhelp.com/app/mcp/trackrepair2

I'm using moto g4 from 8 months did not get any problem. But recently camera didnt work good. So i thought to go to mot service centre ( in Dhilshuknagar, Hyderabad). They checked the mobile and said that camera glass has to be change with payment. I agreed and also noticed double display in screen, I asked them solution. For that whole touch pad is to be changed and it takes 4 days time. So I submitted phone on 9-9-2017 but still today I didnt get my phone back. They postponing everyday 2 days. I asked them return back my mobile but they did not agreed for that. I lost all my hopes on my mobile and facing more problems.