HTC India — i give my mobile phone (htc desire 626 dual sim,) under, warranty service problem is automatic on/ off.

Address:

Bhopal, Madhya Pradesh

I give my mobile phone (Htc desire 626 dual sim) under warranty service, problem is automatic on/, off. I submitted my mobile phone on 27/9/2017on service centre and they says that they recover my mobile phone within 6/7days and i can take off my mobile phone, but still today 8/10/2017 (11days) they can't delivered my mobile phone.
Reason says that, they havn't recovery product available.
So please kindly, you can, possible to make delivered my mobile phone within 1/2 days