CarTrade.com — Order cancellation and refund regarding

I have placed an order for car wiper linkage in its website showing part available but my order was cancelled and showing refunded. my order id 11632 on[protected] got cancelled but refund has yet not been received. such an incident is happening second time and refund not been received for months and i have to write to credit card bank and to Cartrend also. same thing is happening again no refund received so far except the website shows refunded and no detail is there. why is the company showing part available if they have not actually available with them. please provide refund detail and refund at the earliest.

vikramaditya
[protected]@rediffmail.com
[protected]