DataWind Ubislate 7ci is not delivered back

#1
I have purcahed Ubislate 7ci tablet PC thru online from datawind websit.

I got the Tablet PC deliverd, but its not functioning, contacted datawind support team for the same, as per their suggestion couriered the tablet back to datawind Amruthsar. As per the courier service. The tablet PC has been
delivered safely to the datawind office on 8th Jan 2013 on 1 p.m. From then onwards contacting the support team regularly, but all the time they say that they are testing the PC and will be sent back to me in 10 days time.

From mid February they stopped responding to my mails. When i contact them in phone they say, they will look into the issue, but afterwards didn't receive any communication back.

Below are my tablet PC details
Tablet PC type: UBISlate 7CI
PC Number: 9314121430222957

Can some one suggest me how to proceed further.
 

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