[Resolved]  Sony India — Loud speaker, not functioning audio problem

Address:

Balangir, Odisha, 767001

Sir
I have purchase the sony xperia m4 mobile from balangir of odisha state on[protected] but its loud speaker & audio not functioning wef[protected] so i handed over to balangir service center from[protected] vide job no. W[protected]. They committed me to hand over me on or before[protected] but sorry to say that the service center neither opening nor responding the phone. The mobile phone no provided to me by the service center in charge comes switched up since[protected].
So i request you to kindly take immediate steps for solution the problem.
Thanking you sir