Gazedeal — Dead pendrive

I ordered one 64 gb pendrive, on gazedeals.com 09.03.17 worth of Rs.699/- then i received pendrive at 12.03.17 vide your order No.GD[protected] now is that pendrive not working, its is fully dead, kindly takeback these pendrive and refund the amount 699/- to us, please contact me in mobile number is [protected] & email id [protected]@gmail.com