Aasaan Retail Private Limited — Datawind Tab - Sound valume too low

As below detail of “Datawind UbiSlate –Tab” we had received without damage courier condition. But, I occur one problem in, that volume too low to hear voice and sounds. (during active calls) So, kindly take appropriate action against this issue as soon earlier. Thanks for your prompt delivery and service. Do the needful regard in this complaint only. “Order Number :[protected] Order Date : 18/02/2015 Courier Name : FIRST FLIGHT Awb No : C991Q3524739 SN 1 M1018 Datawind UbiSlate Calling 7CZ Tablet – Dual SIM Free Keyboard