I like to build a website .In this site only restaurants like Indian,Pakistani,Bangladeshi,Sri Lankan,Nepalese and nearby India only cuisine based.
Database I have hundreds(200 +) of participating restaurants.
Members can avail discount (50% discount on bill,drink free,starter free, Buy 1 Get 1 etc ) after buying the membership card(digitally).
Digital membership cards I am planning to use passcreator,[login to view URL] etc .
Sample website which are offering such types of discounts are : [login to view URL] or [login to view URL]