Groupon India / Nearbuy — fraud in holi passes

I brought 2 passes of holi in my registered email id [protected]@gmail.com there was no guest list provided they said the guest list will be there at the venue they wasted 1 hour just to know where will the nearbuy voucher redemed then one elder person came and started scanning and redeming the voucher he redemed 2 voucher of mine and said 1 was already redemed then i have to pay for 1 more voucher at venue after that it was mentioned unlimited food food also got exhausted before lunch time that is 2 in afternoon .i want my money refunded for this i have reported this in cyber crime department its a fraud app looting customers out of money