I applied for contest that was held by 100bestbuy for Samsung galaxy note and for that they demanded is Rs.699 on the condition that it would be 100 % 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.


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.

but that my credit amt. i cant use for other product

every body mail me on this those how not satisfy with this company. we will take action together