Aakash Tablet — my tablet missing

Address:

Delhi

The tab (Build no. UBISLATE7C+_PM3B2E5A798E) which has been delivered to me on 07/05/13 tablet is not working & only data wind logo is displayed continuously. I have returned the FAULTY / OLD Ubislate to the address Data wind Innovations Pvt Ltd Dhan Dhan Baba Deep Singh Ji Complex, 563 East Mohan Nagar, Amritsar-143001 Ph no.[protected] Delivery Date 23/05/2013 Receiver Name :- PIYUSH.
We have so many calls to[protected] every time they told me your device status not updated places wait one week. But till date I have not received Call & mail. I am mail to ceo and other but no reply as on date.

Contacted tech. support but no one paid any attention.