Aakash tablet advance payment made but not received

Dear sir I booked akash tablet to in the month of 5 jun dated 5/6/2012.For the month of jun they toled that I will get a confirm prioritized delivery of ubislet 7 july and they told to send a/Cehque no 8915 of rupees 6000/To their address to get the tablet on time so DID it my booking ID is pmf0ab5 & pm7d5c3. Sir I request you to contact datawwind and get my tablet to me as soon as possible as I am frustrated.And even they have wasted my time & money to if they DID not send me a tablet in 7 days I am going to do a case on datawind innovation for the in convenience caused to me thanks