Rediff.com — online shopping.product not delivered. money not refunded

Address:

Gurgaon, Haryana

'Placed two online orders with Rediff.com. reference no of the orders are 7369469 and 7369402. The orders were not delivered even after 15 days of waiting period. on contacting rediff.com was told that they have cancelled the orders and refunded the money. But when i checked my bank account, my money was not refunded.
Continously sending mails to rediff.com but unable to get any reply and even they are refunding my money. Pls help me get my money back from such fraudulent site.