Aakash tablet booked on 29-feb-2012 with rs. 2999/- DD amount not received

Dear sir, I have booked one aakash tablet with booking ID pm3b8df18a36, the DD is also send as on 29.Feb.2012, the DD details are shown below DD no. 1772 945) DD bank : syndicate bank DD date : 2012 (the DD status shows that it is paid to datawind). I have send message to @datawind.Com and they asked me the details of the DD, after giving the reply I have not received any reply, then I contact at 1800 180 180, they asked me to send the details to @datawind.Com to get all the details with the delivery date of your product. The message details are given below. I humbly request you to kindly let me know the status of my pc. Thanks & regards mahesh p g 9707 they replied me that supportin(mk) @datawind.Com apr 6 to me dear mahesh, this is to acknowledge that we have received your cheque/Demand draft number 1945 of rs2,999 of syndicate bank . Thank you for your payment. Your order is in process, you will receive your ubislate 7+ approximately in six weeks . For more details on ubislate7+ view the frequently asked questions on http:/Www.Ubislate.Com/Faqs.Html regards, datawind support team 1800 180 2180 on 06th april 012. I got another message that says.. dear mahesh, this is to acknowledge that we have received your cheque*/Demand draft number 1945 of rs2,999 of syndicate bank. Thank you for your payment. Your order is in process, the deliveries have been started. You will receive your ubislate 7+ within 15th may to 31th may. For more details on ubislate 7+ view the frequently asked questions on http:/Www.Ubislate.Com/Faqs.Html regards, datawind support team 1800 180 2180 the above message I got on 01st may 012. I request you to kindly make a solution to deliver the product in good condition or refunding of the amount. Yours faithfully, mahesh p g