Mcent Browser — I am duped/denied by mcent browser.

Website: mcent browser

The most promising free recharge offer by
Browsing in the mcent browser. I have earned enough coins to recharge my mobile for almost a year but surprisingly there's always huge lock every time i try to exchange/redeem it. There's no support service, no guidelines, nothing to get in touch with mcent browser. I've tried everything but its kind of dealing with a ghost or am i simply locked out.
It would be so kind of you if your authority could kindly do the needful and find out what is going on here.
Yours faithfully
Gto