Yu Televentures — Yu yuphoria mobile company not returning my phone

Address:	New Delhi, Delhi, 121102
Website:	www.yuplaygod.com

I bought a yu yuphoria handset 5 months ago from amazon. It was creating problem even after second day when i got it.
One month ago a serious problem occurred in my cell(Speakers not working), then i called yu company, they told me to submit the phone to service sentre.
I submitted it on service centre on 12th of march. They told me to maximum of 15 days to wait.
It has been one month today. I called yu after 15 days, they again told me to wait 10 days, after 10 days i called they again told me to wait maximum for 5 days and said that the device is ready for dispatching,
Now after 5 days i again called them then they again told me to wait for 7-10 days n told that device is still under process, not ready yet.
I called amazon, they told we can't do anything for this.
I told yu that now i will case against you, they said its up to you whatever you want to do and didn't gave any satisfactory answer.
Clearly they are making me fool and i don't think that they want to return my handset.
I am frustrated too much.
Please help me, i have no other way except file the case to you.

Vikas azad
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[protected]@gmail.com