NEED A LITTLE HELP FROM KOLKATA's DIMERS

guys,,i have bought a deal of hyatt regency,kolkata(unlimited buffet) from nearbuy,,so anybody here redeemed the same deal before!!!! If the answer is yes,,then please share your experience,, ,,,and yup,,bought a deal of mainland china too,, ,so who successfully redeemed nearbuy mainland china voucher can share his/her experience!!!!!