I applied for contest that was held by 100bestbuy for Samsung galaxy note and for that they demanded is Rs.399 on the condition that it would be100 % refundable if could not win the contest. For your ready reference I furnished here under a mail that I received from their side that attracted me to take participation in their contest.
Dear Customer,

Thank you for your order from http://www.100bestbuy.com

For your convenience, we have included a copy of your order below.
Please Note :- The charge will appear on your credit card / Account statement as 'ccavenue.com/charge'

If you have a question about your order status, you can contact the seller directly by
e-mail at : info@100bestbuy.com.


ORDER DETAILS:Merchant Site URL : http://www.100bestbuy.com
Order Number: 4984511Order Received: Jul 29, 2012

Total Amount : INR (Indian Rupees) 399.00
State Bank of India Debit Card Holder : avinash kashyap
Billing Address : (As entered by the Customer)
h no.1118 sector-46 b chandigarh india
chandigarh chandigarh
160047 India
Customer's Phone Number : ********20
Customer's E-mail ID : sny0172@gmail.com
Customer's IP Address : 115.240.118.165

Recipient's Name : N/A

Shipping Address :
N/A
N/A N/A
N/A N/A

Recipient's Phone Number :
N/A

Special Instructions :
None
Regards,
CCAvenue Customer Service


Along time has been lapsed I could not received any response in any form from their (100bestbuy) side whether I won the contest or not. Even I try to approach them at given number but I failed to get any response from their side.
At last I received mail from 100best as following but as they mentioned still I am not able use my credit.
Dear customer,
As per telephonic conversation, the amount you paid for the contest has been added as credit points in your 100bestbuy.com account you can use those
credit points for further purchase.
You can buy some other products through using your credit points that you invested for contests in our website i.e., 100bestbuy.com.
Go to our site www.100bestbuy.com.

Log in your user id and password.
Then choose or select which products you want.
Click on add to cart then Would you like to use your credits towards this purchase? option will be opened.
You have to just click on the check box.
If any more Queries kindly contact us at service@100bestbuy ,call us on ********56:
Regards,
customer care team


Kindly help me out .So that I will get my money back from 100bestbuy.Its fraud website.
I am very thank full to you.

With Regards
Avinash Kashyap