Sony India — Delay in service

Address:

Indore, Madhya Pradesh, 573202

I have submitted my sony experia smart phone at sony service center(M 9-10 Yashwant Plaza, Station road Indore MP) for repair on dated 22/10/2016, and they told me that it' would take 3 to 5 days to repair, but they hadn't response approx 2 week after that I have call them so many time then they agreed with phone replacement and they told me to submit the check I have submitted check but after one week they told that check cannot be accepted and submit DD again after submitted DD one week has been passed they haven't respond, when I called then they ask to wait again for a week.
Therefore, i shall be highly obliged if you kindly take an immediate action to this matter then i will be really thankful to you.
Service center phone number is[protected]
My ticket ID is [protected]
My Job No W[protected]
My Contact Number : [protected]