Shopping. Rediff.com — defective item delivered

Pls note I ordered a 13 mm drill machine order no 5593258 from rediff shopping on 19th september 09 , At the time of booking the vendor whic I have seen in adv was e- commerce but the while order processing it was revert to DAL COMPUTERS , Finally when I got the product I came to see that the item is defective And looks to be picked up from a dumping yard, ok When i complaign to the vendor there is no response but rediff customer care is asking to send back the product to the vendor through courier , You think Is it wise to spent more over much for this product . Is there any guarenty that I will get back the product from the vendor who will be responsible for this , please ask rediff shoping not entertain such vendors