Hi namar_in1,
I understand your dissapointment with a seller who is refusing to sell the product after you won it legitemately.
I will encourage you to follow the following process to file a complaint against the seller. While eBay can not force a seller to sell you a certain item, your report will help eBay investigate and take appropriate action agasint such sellers.
To complaint about the same, please follow the following process...
Click on - http://pages.ebay.in/help/contact_us/_base/index.html
Problem with Other Members>>> Selling Offences (1st box)>>> You havent paid, but the seller refuses to sell the item
Hope the informaiton was useful.
Warm Regards,
Sapana