not response for reples my order

Location/place: India

Name of company/service: tradus.in

order no-3250366
order = hp v220w 16gb flash drive
item id-3007443
product-hp v220w 16gb flash drive
quantity-1(one)
unit price-550
cod charge-00
shipping-00
amount-550

dispatch Blue dart date-24/07/2012
tracking no-59016527813
add shivram paradkar
A/p oras dattanagar
jijjamata chouk
maharashtra india
ph no-9404345674
———–
sir.
actual order 16gb pen drive but they send me 8gb pen drive so i try to contact him via e-mail or ph but the are not res ponced to refund/rep-less my order
—