Domino's Pizza — e-vouchers

Address:

560091

Hello i have called many times to domino's customer care number they just trying to convince but not solved my purchase, i have a e-vocher they said at the time of payment you can add the vocher but there is no option called e - vochers in payments page so so many times i called customer care but didn't not respond me well they said we will arrange a call back but no calls or any response from there side